Historical Knowledge Reveals 6 Secrets and techniques To A Lengthy Superior Life


happier
The factor about growing older is that it’s sneaky. It doesn’t simply present up someday, carrying a T-shirt that claims, “I’m right here to break your life.” No, it’s extra refined, like a ninja with joint ache.

However that doesn’t imply it’s the swish, Helen Mirren-in-a-L’Oréal-ad type of growing older. You used to get up with a track in your coronary heart. Now you get up with acid reflux disease. Your bladder is the scale of a shot glass and your physique has determined, with out consulting you, that something previous the hour of ten is an act of sedition.

And nobody warns you concerning the eyebrows. As soon as they had been orderly, possibly even enticing. Now they’re auditioning for the function of “indignant wizard” in some low-budget fantasy film. They shoot out in all instructions, like they’re signaling for assist from different, extra coherent eyebrows. In the meantime, the hair that’s imagined to be in your head is bailing prefer it’s heard there’s a greater social gathering some place else.

And, sadly, there’s the creeping sense that you simply’re turning into irrelevant. You attain an age the place you understand you don’t perceive the world anymore. Every thing is immediately designed by and for another person.

What ought to we do? Simply shrug? That’s not a plan; that’s a untimely obituary. We want perception. And this time we’re going old-fashioned. We’re gonna get ideas from the traditional Roman statesman and scholar Cicero.

Cicero’s primary expertise was oratory. This man might discuss. He had opinions about every part. And I imply every part. Title a subject, any subject, and Cicero had a twelve-volume treatise on it. Friendship? Guide. How you can inform a joke? Guide. How you can grieve? Guide. How you can win an argument? You guessed it — ebook.

So we’re gonna take just a few selection classes from his treatise, “How you can Develop Previous.”

Let’s get to it…

 

“A Good Previous Age Begins In Youth”

So that you’re headed towards the third act of life. The credit aren’t rolling but, however you’ll be able to hear the orchestra warming up within the pit. This era goes to be loads simpler in the event you developed some good habits in your youth.

Good habits while you’re younger are like a weird type of time journey. You’re sending little care packages to your future self.

Reality is, nobody desires to listen to about good habits. They’re not attractive. They’re not even reasonably enticing in that “I do know you’re dangerous for me, however I’m drawn to you anyway” type of method.

However no matter age you’re, in the event you haven’t constructed these good habits but, begin ASAP. You suppose it’s onerous attending to the fitness center now? Wait till your knees make noises like bubble wrap being slowly crushed beneath the load of a disillusioned god. How usually do you hear older folks say, “Oh, it’s really easy for me to make adjustments”? You don’t. So make them now earlier than it will get even tougher and also you begin listening to sentences like, “No, that’s not a freckle; get it checked.”

Growing good habits younger is like hacking your future self. It’s about tricking that future model of you into pondering they had been born with a pure affinity for consuming proper and getting sufficient sleep.

(For extra on the way to construct good habits, click on right here.)

So what else can we be taught from Cicero — aside from “Do not mess with Marc Antony”?

 

“Previous Age Can Be A Great Half Of Life”

You recognize what they don’t let you know about getting older? It’s not only a gradual crawl towards irrelevance and bifocals; analysis constantly exhibits previous persons are happier.

Why?

They’re not happier as a result of they’re enlightened. They’re happier as a result of they’ve simply stopped giving a rattling about every part that used to emphasize them out.

Research present as we age, neuroticism declines. Once you’re younger, you’re consistently apprehensive: “Does this outfit make me look bizarre?” “Am I saying the precise factor?” However while you’re previous? It’s like somebody up to date your mind’s working system, however as an alternative of getting a smooth new interface, it simply turns off the ineffective detrimental psychological notifications that used to pop up.

And let’s discuss concerning the best-kept secret of previous age: being “eccentric.” Once you’re younger, everybody’s consistently telling you to behave like a grown-up. Be well mannered, smile, maintain your opinions to your self. However while you’re previous, you’re like, “Nope, time to launch the Kraken.”

You lastly get to say no matter you need. You’ll be able to inform your grandchildren you had been a spy or a circus performer. You’ll be able to roll as much as a household gathering and announce, “That’s the ugliest child I’ve ever seen!” and as an alternative of getting punched, everybody simply type of nods and goes, “Oh, Nana!” as in the event you’ve immediately grow to be this charming, unpredictable rogue.

Once you’re previous, you’ll be able to eat something at any time, and everybody simply shrugs and says, “Properly, he’s previous!” Once you’re younger, you’re like, “I’ll have the grilled salmon salad with the dressing on the aspect.” However while you’re older, it’s like, “Carry me a stack of pancakes as tall as a toddler, and I need syrup on every part. I’m right here to eat breakfast like I’ve been wronged by life.”

You’ve performed the sport lengthy sufficient to understand you don’t need to play anymore. You’re previous the purpose of worrying about being cool, as a result of cool is a transferring goal, and admittedly, you’re bored with operating after it in uncomfortable sneakers. As a result of who’re you attempting to impress at this level? Your solely purpose now could be to not find yourself as a cautionary story on the native information.

It’s the one time in your life you’ll be able to look fully feral, and other people will simply smile at you such as you’re their favourite character in a Wes Anderson film.

You recognize why else previous people are happier? They ditch individuals who irritate them. Once you’re younger, you’re principally a social hoarder. Everybody will get in. However as you age, one thing lovely occurs: the Nice Cull begins. It’s such as you’ve immediately found the “unsubscribe” button for dangerous relationships.

Actually, if I’d recognized that getting previous got here with this many treats, I might have skipped my 30’s altogether.

(To be taught the 4 secrets and techniques to happiness that older people can educate us, click on right here.)

Yup, it’s a extra nice time. However that doesn’t imply it’s with out duties…

 

“Previous Age Want Not Deny Us An Lively Life”

Time is an undefeated heavyweight champion who cheats, bites, and fights soiled. We have to keep lively to withstand its put on and tear.

The minute you cease transferring, gravity will get concepts. It’s not only a drive; it’s an opportunist. Gravity sees you sitting nonetheless and thinks, “Sensible, I’ll simply slowly pull every part down.” And I’m not simply speaking about your bottom migrating south to merge together with your hamstrings in some type of flesh-colored continental drift. Staying lively additionally convinces the cosmos to increase your contract.

You don’t need to do something excessive to get advantages. You aren’t 25 anymore. At 25, you may run up a hill simply because it was there. Now, the one motive you’d run up a hill is that if a really giant canine was chasing you, and even then, you’d most likely simply lie down and hope it’s a pleasant canine.

Once you’re previous, train turns into a special beast altogether. It’s not about sculpting your abs right into a six-pack; it’s about having the ability to bend down and decide up your sneakers with out calling Life Alert. You don’t need to do superheroic feats. I’m speaking concerning the naked minimal to keep away from turning into a human-shaped gelatin mould that quivers each time somebody units down their espresso cup too onerous.

Hold transferring. Stretch, stroll, raise issues that aren’t simply pints of ice cream.

(For extra on the way to keep wholesome as you age, click on right here.)

Oh, and we additionally want to debate your mind. Cicero was cautious to single that one out…

 

“The Thoughts Is A Muscle That Should Be Exercised”

I don’t imply to alarm you, however cognitive decline is actual, and it’s coming for you, one unchallenged neuron at a time. You don’t want to be a kind of individuals who spends 20 minutes attempting to determine the way to work the distant, solely to search out out they’ve been holding a stapler the entire time.

If you happen to don’t actively do issues to maintain your mind sharp, your grandkids are going to search out you attempting to cook dinner soup within the washer and having a severe dialogue together with your reflection about what model of cat meals you’re going to purchase in your canine. And also you don’t actually have a canine.

Learn books that intimidate you. One thing that makes you suppose, “Who wrote this? And why did they hate me?” Watch documentaries that make your head damage. Learn to swear in ten totally different languages as a result of, let’s be sincere, that’s all the time helpful.

Problem your mind to a duel each single day. As a result of the extra you preserve these psychological skills, the extra you’ll be able to get pleasure from your golden years. And no, not “golden” in that miserable, pastel Hallmark card type of method, however in the best way the place you’re nonetheless making new recollections, nonetheless studying, nonetheless residing.

You need your later years to be as wealthy and stuffed with mischief as your earlier ones. You don’t need to find yourself speaking to the toaster concerning the climate. And also you positively don’t need the toaster to begin speaking again.

(For extra on the way to maintain your mind sharp as you age, click on right here.)

What different recommendation from 2000 years in the past has stood the take a look at of time?

 

“Domesticate Your Personal Backyard”

Now when Cicero mentioned, “domesticate your backyard,” he didn’t imply we should always all rush out to Residence Depot and begin shopping for mulch.

What he meant was that with out hobbies, with out actions, life turns into this lengthy, gradual decline into nothingness. And never the poetic type of nothingness the place you sit by a lake considering the character of existence. No, I’m speaking concerning the type of nothingness the place you grow to be that previous one who exhibits up on the grocery retailer thrice a day simply to speak to the cashier.

You want hobbies to show you’re nonetheless within the sport, that you simply’ve acquired some struggle left, that you simply’re not simply one other soul sliding slowly into the tar pit of late-life remorse.

A interest is like an anchor in your sanity. It’s good to be passionate about one thing. I don’t care if it’s knitting or beginning an newbie rock band referred to as The Arthritics—simply be into one thing. Discover one thing, something, that lights a hearth beneath your shrinking behind.

(For deep perception from David Epstein on the way to discover your ardour, click on right here.)

Okay, we’ve lined loads. Let’s spherical all of it up – and we’ll discover out the place these younger whippersnappers match into this revitalized imaginative and prescient of your golden years…

 

Sum Up

That is the way to age properly…

  • “A Good Previous Age Begins In Youth”: Growing good habits while you’re younger is like slowly making ready for the collapse of civilization, solely the civilization is your physique. If you happen to begin now, while you’re 85 you’ll be capable to do one thing cool like keep in mind why you walked right into a room.
  • “Previous Age Can Be A Great Half Of Life”: You cease sweating the small stuff, largely since you’ve misplaced your glasses and might’t see the small stuff anyway.
  • “Previous Age Want Not Deny Us An Lively Life”: It’s good to keep lively. Why? As a result of in the event you don’t, your physique says, “Oh, you don’t want me to work anymore? Cool, I’ll simply disassemble myself, one joint at a time.”
  • “The Thoughts Is A Muscle That Should Be Exercised”: Ageing may be inevitable, however psychological stagnation is a selection. Hold your thoughts sharp and also you’ll be capable to work out the way to get the distant to work with out calling your niece for the fifth time this week.
  • “Domesticate Your Personal Backyard”: Passions make us fascinating and maintain us vibrant. They cease us from turning into the one that thinks “residing” is simply the other of “dying.”

So what did Cicero need to say about the place younger folks match into previous age?

“Older Folks Have A lot To Train The Younger”

Now you may be pondering, “Eric, they don’t need our knowledge. They need our Netflix password.”

Look, sooner or later, you’re going to search out your self face-to-face with an adolescent who wants your assist. Some 22-year-old with glowing pores and skin and knees that work. Perhaps they wandered over since you appear to be you’ve seen some stuff, or possibly they suppose you’re simply the correct mix of approachable and determined.

You’re pondering, “What do I’ve to show anybody besides the correct use of the phrase ‘I’m not mad, I’m simply disillusioned’?”

However younger folks want mentors. All of the analysis exhibits they’re important.

Once you open your mouth, you’ll begin to understand how a lot you realize. You recognize that bank cards usually are not, in truth, free cash and why that face tattoo of a flaming cranium may not be the easiest way to impress a hiring supervisor.

And as you’re explaining the fundamentals of functioning maturity to them, you’ll discover one thing else: it’s enjoyable. It’s an ego increase with a aspect of altruism. As I mentioned in my first ebook, research present being a mentor could be extra rewarding than being a mentee.

They’re reminding you that you simply nonetheless have issues to supply, that you simply didn’t bumble your method by existence for nothing. And someway, improbably, your doubtful decisions and half-baked knowledge would possibly simply assist another person survive their very own spectacular collection of misadventures.

Earlier than you realize it, you’ve swapped knowledge for power. You’re sucking up that youthful zest for all times like a vampire who discovered a brand new vein. It’s like taking a sip from the Fountain of Youth (besides it could include a relentless barrage of memes.)

So let’s lean into each grey hair, each chortle line, each inexplicable new ache, as a result of all of it’s proof that we’ve outlasted many of the nonsense. Cicero was proper: Ageing is an artwork kind. Nevertheless it’s much less like portray a masterpiece and extra like finger-painting together with your grandkids.

Previous age isn’t the horror present everybody makes it out to be. Certain, there are the creaks and pops and the truth that you’ve began making involuntary noises each time you stand up from a chair, however no matter.

That’s the soundtrack of knowledge, child.



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Historic 3D paper artwork, kirigami, may reshape fashionable wi-fi expertise


Ancient 3D paper art, kirigami, could shape modern wireless technology
Credit score: Drexel College

The way forward for wi-fi expertise—from charging gadgets to boosting communication indicators—depends on the antennas that transmit electromagnetic waves changing into more and more versatile, sturdy and simple to fabricate. Researchers at Drexel College and the College of British Columbia imagine kirigami, the traditional Japanese artwork of reducing and folding paper to create intricate three-dimensional designs, may present a mannequin for manufacturing the following technology of antennas.

Not too long ago revealed within the journal Nature Communications, analysis from the Drexel-UBC crew confirmed how kirigami—a variation of origami—can rework a single sheet of acetate coated with conductive MXene ink into a versatile 3D microwave antenna whose transmission frequency could be adjusted just by pulling or squeezing to barely shift its form.

The proof of idea is critical, in accordance with the researchers, as a result of it represents a brand new solution to shortly and cost-effectively manufacture an antenna by merely coating aqueous MXene ink onto a transparent elastic polymer substrate materials.

“For wi-fi expertise to help developments in fields like delicate robotics and aerospace, antennas must be designed for tunable efficiency and with ease of fabrication,” mentioned Yury Gogotsi, Ph.D., Distinguished College and Bach Professor in Drexel’s School of Engineering, and a co-author of the analysis. “Kirigami is a pure mannequin for a producing course of, because of the simplicity with which advanced 3D varieties could be created from a single 2D piece of fabric.”

Normal microwave antennas could be reconfigured both electronically or by altering their bodily form. Nonetheless, including the required circuitry to regulate an antenna electronically can enhance its complexity, making the antenna bulkier, extra susceptible to malfunction and dearer to fabricate.






In contrast, the method demonstrated on this joint work leverages bodily form change and might create antennas in quite a lot of intricate shapes and varieties. These antennas are versatile, light-weight and sturdy, that are essential elements for his or her survivability on movable robotics and aerospace parts.

To create the take a look at antennas, the researchers first coated a sheet of acetate with a particular conductive ink, composed of a titanium carbide MXene, to create frequency-selective patterns. MXene ink is especially helpful on this software as a result of its chemical composition permits it to stick strongly to the substrate for a sturdy antenna and could be adjusted to reconfigure the transmission specs of the antenna.

MXenes are a household of two-dimensional nanomaterials found by Drexel researchers in 2011 whose bodily and electrochemical properties could be adjusted by barely altering their chemical composition. MXenes have been broadly used within the final decade for functions that require supplies with exact physiochemical conduct, reminiscent of electromagnetic shielding, biofiltration and power storage.

They’ve additionally been explored for telecommunications functions for a few years attributable to their effectivity in transmitting radio waves and their capacity to be adjusted to selectively block and permit transmission of electromagnetic waves.

Utilizing kirigami strategies, initially developed in Japan the 4th and fifth centuries A.D., the researchers made a sequence of parallel cuts within the MXene-coated floor. Pulling on the edges of the sheet triggered an array of square-shaped resonator antennas to spring from its two-dimensional floor. Various the strain induced the angle of the array to shift—a functionality that could possibly be deployed to shortly alter the communications configuration of the antennas.

The researchers assembled two kirigami antenna arrays for testing. In addition they created a prototype of a co-planar resonator—a element utilized in sensors that naturally produces waves of a sure frequency—to showcase the flexibility of the method. Along with communication functions, resonators and reconfigurable antennas may be used for strain-sensing, in accordance with the crew.

“Frequency selective surfaces, like these antennas, are periodic constructions that selectively transmit, mirror, or take up electromagnetic waves at particular frequencies,” mentioned Mohammad Zarifi, principal analysis chair, an affiliate professor at UBC, who helped lead the analysis.

“They’ve lively and/or passive constructions and are generally utilized in functions reminiscent of antennas, radomes, and reflectors to regulate wave propagation course in wi-fi communication at 5G and past platforms.”

The kirigami antennas proved efficient at transmitting indicators in three generally used microwave frequency bands: 2-4 GHz, 4-8 GHz and 8-12 GHz. Moreover, the crew discovered that shifting the geometry and course of the substrate may redirect the waves from every resonator.

The frequency produced by the resonator shifted by 400 MHz as its form was deformed below pressure situations—demonstrating that it may carry out successfully as a pressure sensor for monitoring the situation of infrastructure and buildings.

Based on the crew, these findings are step one towards integrating the parts on related constructions and wi-fi gadgets. With kirigami’s myriad varieties as their inspiration, the crew will now search to optimize the efficiency of the antennas by exploring new shapes, substrates and actions.

“Our objective right here was to concurrently enhance the adjustability of antenna efficiency in addition to create a easy manufacturing course of for brand new microwave parts by incorporating a flexible MXene nanomaterial with kirigami-inspired designs,” mentioned Omid Niksan, Ph.D., from College of British Columbia, who was an writer of the paper. “The following part of this analysis will discover new supplies and geometries for the antennas.”

Extra info:
Omid Niksan et al, MXene-based kirigami designs: showcasing reconfigurable frequency selectivity in microwave regime, Nature Communications (2024). DOI: 10.1038/s41467-024-51853-1

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Drexel College


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Dragonfly wing sample reinforces vaults and domes higher than historic Roman and tech-generated strategies


Dragonfly wing pattern beats architectural solutions by ancient Romans and cutting-edge algorithms
Dome of the Granada Cathedral in Spain. The stiffening ribs are seen in white and gold towards the sky blue background. They’ve been utilized in numerous preparations by architects since historic instances to distribute the load of vaults and domes. Now, Skoltech researchers have found a surprisingly efficient new rib sample impressed by nature. Credit score: Enrique Hernandez-Montes/College of Granada

Skoltech researchers and their colleagues from the College of Granada, Spain, have decided essentially the most environment friendly methods to strengthen vaults and domes in structure. The workforce in contrast how properly numerous conventional and unconventional patterns of stiffening ribs allow a construction to resist each evenly distributed and uneven hundreds.

Printed in Skinny-Walled Constructions, the research relied on numerical evaluation and bodily experiments, and led its authors to suggest an unprecedented rib sample impressed by dragonfly wings, which surprisingly outperformed each different structure examined within the paper.

Stiffening ribs have been utilized in vaults and domes since historic Roman instances to allow thinner buildings for each engineering and aesthetic causes. This resolution conserves materials and permits for extra intricate designs, larger column-free ground spans, and bigger home windows—like these in Gothic cathedrals.

Using ribs to distribute the load of the ceiling isn’t international to civil engineering, both. Some subway stations and industrial amenities provide a vivid instance.

Nevertheless, on the subject of deciding on the geometric sample for rib placement, it often boils right down to the outdated favorites, such because the barrel vaults with coffered ceilings—a protracted arch with a reinforcing sq. mesh of ribs on the within—and cross vaults, acquainted from early Roman structure and Renaissance church buildings impressed by it. No complicated evaluation is often tried to establish the potential for enchancment.

“We determined to research a number of rib patterns to see which ones may face up to vertical and uneven hundreds higher,” mentioned Anastasiia Moskaleva, the research’s lead creator, a Skoltech Ph.D. pupil from the Arithmetic and Mechanics program.

“We performed numerical simulations and experiments on the curved-surface polymer composite shells designed in final yr’s research, becoming them with stiffening ribs positioned in 5 other ways, constraining the quantity of fabric expended on ribs in every case to half the fabric used within the shell itself.”

Dragonfly wing pattern beats architectural solutions by ancient Romans and cutting-edge algorithms
The polymer composite shell from the 2023 research. This time the researchers stiffened shells like this with ribs to seek out out which rib structure works the most effective. Credit score: Anastasiia Moskaleva et al./Composite Constructions

Depicted above, the unique shell was developed through an optimization approach known as form-finding, by which the top form is arrived at by a logical course of impressed by processes in nature.

It goes again to experiments like these executed by Antoni Gaudí, who used to derive extremely environment friendly kinds by suspending fashions within the air to allow them to sag underneath their very own weight. He then took the form they assumed and inverted it. In impact, he let gravity do the work, so this method is usually known as “type follows pressure.”

Dragonfly wing pattern beats architectural solutions by ancient Romans and cutting-edge algorithms
5 stiffening rib patterns investigated by the researchers. The left column corresponds to a coffered ceiling (high) and a cross vault (backside). Two circumstances of topological optimization are introduced within the middle column. On the suitable is the Voronoi structure, which resembles patterns present in nature. However may it use some additional insect-inspired enchancment? Credit score: Modified by Nicolas Posunko/Skoltech PR from Anastasiia Moskaleva et al./Skinny-Walled Constructions

The 5 stiffening rib patterns initially investigated by the researchers included two time-honored designs—the coffered ceiling and the cross vault—together with two layouts obtained through topological optimization. The highest sample within the middle column was produced by optimizing the thickness of the shell at each level, successfully redistributing materials to the place it is wanted most.

The underside sample was obtained by beginning out with two shells on high of one another and solely optimizing the underside one because the seed construction for ribs. Lastly, the fifth, biomimetic sample comes up in turtle shells, dragonfly wings, and elsewhere, however not in its mathematically pure type often known as the Voronoi diagram.

Each the bodily experiment and the numeric simulation confirmed the topologically optimized designs to be superior to the traditional and biomimetic rib layouts for withstanding central load. However the tables turned when an uneven load was utilized, which roughly corresponds to snow piling up on one facet of the roof or many individuals transferring as a bunch from one spot to a different.

Dragonfly wing pattern beats architectural solutions by ancient Romans and cutting-edge algorithms
The steps concerned in producing the hybrid structure of stiffening ribs: (a) 70% of the rib materials is distributed through topological optimization; (b, c, d) the remaining materials is distributed in keeping with the Voronoi sample; (e) the first ribs from the preliminary step and the secondary ribs are built-in right into a unified construction. Credit score: Anastasiia Moskaleva et al./Skinny-Walled Constructions

In that state of affairs, the cross vault was king, adopted by en bloc topological optimization. Importantly, the coffered ceiling and Voronoi sample stood out as the 2 choices whose efficiency suffered the least with the change from symmetric to uneven load.

“This prompted us to mix the Voronoi sample with the most effective optimized structure from the vertical load experiment within the hope of getting the most effective of each worlds,” Moskaleva commented.

“We rigorously examined the construction of the dragonfly wing, which doesn’t really comply with the Voronoi sample precisely, and located that the stiffening ribs in it may be considered forming two separate teams. There’s the extra inflexible kind that counteracts twisting. After which there are thinner ribs, which guarantee the general structural integrity of the wing. And we thought we may reproduce that in vaults.”

Dragonfly wing pattern beats architectural solutions by ancient Romans and cutting-edge algorithms
Dragonfly wing construction. It impressed the authors of the research to create their very own hybrid structure of stiffening ribs to distribute the load of the construction extra successfully. Credit score: Anastasiia Moskaleva et al./Skinny-Walled Constructions

To acquire the sixth hybrid sample, the workforce first repeated topological optimization, however with a tighter constraint on materials expenditure, allocating 70% of the rib materials to those major ribs. This was adopted by an extra step the place a parametric algorithm used up the remaining materials, filling within the thinner secondary ribs in keeping with the Voronoi sample.

The concept labored so properly that the brand new mixed sample outperformed every of the 5 preliminary layouts in each situations: for central and for uneven hundreds.

“This demonstrates that topological optimization may really do rather a lot for structural design. And but it’s rarely utilized in civil engineering, solely in mechanical engineering for issues like car and plane components,” Moskaleva mentioned.

“Positive, the optimized kinds are fairly intricate and subsequently difficult in manufacture. However after the components of a regular constructing, such a parking storage, have been optimized and will be reproduced on demand, it is going to repay in the long term because of the materials conserved. After which there’s the better artistic freedom for the architect.”

Extra data:
Anastasiia Moskaleva et al, Stiffening patterns for freeform composite shell buildings, Skinny-Walled Constructions (2024). DOI: 10.1016/j.tws.2024.112037

Quotation:
Dragonfly wing sample reinforces vaults and domes higher than historic Roman and tech-generated strategies (2024, October 10)
retrieved 11 October 2024
from https://techxplore.com/information/2024-10-dragonfly-wing-pattern-vaults-domes.html

This doc is topic to copyright. Aside from any honest dealing for the aim of personal research or analysis, no
half could also be reproduced with out the written permission. The content material is offered for data functions solely.





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