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Knots smaller than human hair make materials unusually tough
A micro-architected material made from tiny knots proves tougher and more durable than unknotted counterparts.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,457 posts.
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'Fingerprints' inside the Sun could reveal if it once swallowed a planet
drupal-media[data-view-mode=half_page_width] { display: inline-block; width: 50%; } It is thought the Sun may have engulfed a super-Earth-sized planet early in its h...
3123
Why airplane windows have round corners (2016)
It's to prevent them from killing you
3124
Quanta to publish popular math and physics books by Terence Tao and David Tong
Quanta Books is delighted to announce two new upcoming books by mathematician Terence Tao and theoretical physicist David Tong. Six Math Essentials will be Tao’s first math book written for a popular…
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My black body story (it's physics)
I studied physics in university, and at one point asked a professor if I should learn German, because it seemed all the key texts of early ...
3127
Neuralink and the Brain's Magical Future
I knew the future would be shocking but this is a whole other level.
3128
Researchers find 3,500-year-old loom that reveals textile revolution
UA researchers find 3,500-year-old loom that reveals key aspects of textile revolution in the Bronze Age
3129
A simple 11.2 GHz radio telescope (Hardware) (2020)
Abstract : In this post we describe the construction of a small amateur radio telescope operating at
3130
The Deadliest place on Earth? Surviving The Giant Crystal Cave
แนะนำ pussy888 สล็อตมือถือยอดนิยมในไทย! ดาวน์โหลดเวอร์ชันล่าสุดสำหรับ Android และ iOS ที่นี่ แล้วเริ่มสมัครเพื่อรับ Game ID ฟรี เพื่อเข้าเล่นเกมสล็อตของคุณ!
3131
Beef and dairy drive 41% of biodiversity damage linked to global farmland
The Oxford Martin School at the University of Oxford brings together the best minds from different fields to tackle the most pressing issues of the 21st…
3132
Fasting Affects the Brain
Mark Mattson reveals the surprising brain benefits of fasting.
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Mars has right ingredients for present-day microbial life: study
New research suggests that rocks in the Martian crust could produce the same kind of chemical energy that supports microbial life deep beneath Earth’s surface.
3135
Periodical cicada Brood X will emerge in 15 states in 2021
Magicicada periodical cicadas often emerge one or four years earlier or later than their main brood is expected to emerge. When they do, we call them precursors or stragglers (the most common name in scientific literature). This behavior is natural and expected, and how Magicicada have branched off into new broods…
3136
Are warp drives science now?
Science News, Physics, Science, Philosophy, Philosophy of Science
3137
A Visual Intro to Complex Numbers
A visual and intuitive intro to complex number system providing a historical overview of how it was developed and why it is useful.
3138
Astronomers Witness a Dying Star Reach Its Explosive End
Haleakalā and Maunakea, Hawai ʻ i – For the very first time, astronomers have imaged in real time the dramatic end to a red supergiant’s life, watching the massive star’s rapid self-destruction and final death throes before it collapsed into a Type II supernova.
3139
New plastic pollution discovered: 'Plasticorals' coral rubble fused with plastic
‘Plasticorals’, coral rubble fused with plastic, are long-lasting reminders of human activity and highlight a potential threat to critical marine environments.
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An Introduction to CubeSats
An introduction that answers the questions what are cubesats, why they are so popular, what are their main subststems, and how does thier future look?
3142
Quartz crystals
(This is an adapted version of part of an article I wrote for the Dutch amateur radio magazine Electron , August 2016.)
3143
Solar-powered desalination system requires no extra batteries
MIT engineers built a solar-powered desalination system that produces large quantities of clean water despite variations in sunlight throughout the day. Because it requires no extra batteries, it offers a much more affordable way to produce drinking water, compared to other solar-driven designs.
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Multispectral Imaging and the Voynich Manuscript
(with thanks to René Zandbergen, Ray Clemens, Roger Easton, Claire Bowern, Bill Endres, and the curatorial and conservation staff at the Beinecke Rare Book & Manuscript Library) I have some exc…
3147
Real-time CO2 monitoring without batteries or external power
< (From left) Master's Student Gyurim Jang, Professor Kyeongha Kwon > KAIST (President Kwang ...
3148
Tomatoes roaming the fields and canaries in the coalmine
Many publishers are getting nervous about infiltration by paper mills, who can torpedo a journal's reputation when they succeed in publis...
3149
Today is Earth Overshoot Day – (08/22)
Learn how past Earth Overshoot Days are calculated based on the Ecological Footprint and see how the date has changed over the years.
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