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Thermoelectric devices convert thermal energy into electricity by generating a voltage from the difference in temperature between the hot and cold parts of a device.

To better understand how the conversion process occurs at the atomic scale, researchers used neutrons to study single crystals of tin sulfide and tin selenide. They measured changes that were dependent on temperature.

The measurements revealed a strong correlation between changes in the structure at certain temperatures and the frequency of atomic vibrations (phonons). This relationship affects how the materials conduct heat.

This video covers the world in 2040 and its future technologies. Watch this next video about the world in 2050: https://bit.ly/3J23hbQ
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SOURCES:
• https://www.futuretimeline.net.
• AI 2041: 10 Visions of Our Future (Kai-Fu Lee & Chen Qiufan): https://amzn.to/3bxWat6
• http://projects.eng.uci.edu/projects/2018-2019/methane-hydrate-combustion.
• https://www.einsteintelescope.nl/en.
• https://www.scientificamerican.com/article/physicists-now-wa…-collider/
• https://www.bbc.com/news/business-53598874
• https://www.wsj.com/articles/self-driving-cars-could-be-deca…1622865615
• https://www.youtube.com/c/nextmindlab.

Continue reading “The World in 2040: Top 20 Future Technologies” »

The James Webb Space Telescope has made the first clear detection of carbon dioxide in the atmosphere of a distant world, and there is also an unexpected bump in the data.

“We don’t need any energy input, and it bubbles hydrogen like crazy. I’ve never seen anything like it,” said UCSC Professor Scott Oliver, describing a new aluminum-gallium nanoparticle powder that generates H₂ when placed in water – even seawater.

Aluminum by itself rapidly oxidizes in water, stripping the O out of H₂O and releasing hydrogen as a byproduct. This is a short-lived reaction though, because in most cases the metal quickly attains a microscopically thin coating of aluminum oxide that seals it off and puts an end to the fun.

But chemistry researchers at UC Santa Cruz say they’ve found a cost-effective way to keep the ball rolling. Gallium has long been known to remove the aluminum oxide coating and keep the aluminum in contact with water to continue the reaction, but previous research had found that aluminum-heavy combinations had a limited effect.

Our own Milky Way has a relatively calm center, but this wasn’t always the case — just a few million years ago, the galaxy’s black hole flared briefly.

A team from the University of Dundee has designed a molecule that eliminates a Parkinson’s disease-causing protein.

The immediate challenge is to produce batteries in the U.S., but the longer challenge will be to secure supplies of critical minerals such as lithium and cobalt.

Circa 2016

A radically new form of lithium-oxygen batteries avoids many of the problems that have prevented the uptake of what is, in theory, the ultimate transportation battery. If the work can be scaled up, it could mark the end of gasoline-powered cars.

The cost, weight, and insufficient lifespan of batteries represents a major obstacle to electric cars replacing internal combustion engines on our roads. There are two paths to address this: One, like Aesop’s tortoise, involves slow incremental improvements in existing lithium-ion batteries, collectively bringing down the cost and extending the range of electric vehicles.

Continue reading “Lithium-Oxygen Battery May Spell The End Of The Age Of Oil” »

The production of nanodiamonds from PET plastic paves the way toward a new form of recycling, and even has implications for exoplanets that rain diamonds.