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The most popular blog posts about science & space on Hacker News. 248 posts.
A study of over 60,000 people who were followed for as long as two decades found that people’s perceptions about their level of activity have a more significant effect on their longevity than the...
My son (5y) asked me today: If there were a kind of a fireman's pole from the Moon down to the Earth, how long would it take to slide all the way from the Moon to the Earth?
“Birth order” refers to whether a child is the oldest, second-oldest, youngest, etc. in their family. For a while, pop psychologists created a whole industry around telling people how t…
Suppose I wanted to convince people that temperature in the USA wasn’t going up, it was going down. What would I show? Let’s try yearly average temperature in the conterminous U.S., als…
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Science News, Physics, Science, Philosophy, Philosophy of Science
Using high speed cameras, it’s possible to record the vibrations of everyday objects caused by nearby sounds and reverse engineer the sounds…essentially turning
Introduction I read a lot of deep learning papers, typically a few/week. I've read probably several thousands of papers. My general problem with papers in machine learning or deep learning is that often they sit
An explanation of the forms of mathematics I use on a daily basis as a working software engineer.
Recently, AI systems have mastered a range of video-games such as Atari classics Breakout and Pong. But as impressive as this performance is, AI still relies on the equivalent of thousands of hours of gameplay to reach and surpass the performance of human video game players. In contrast, we can usually grasp the…
Sabine Hossenfelder’s new book Lost in Math should be starting to appear in bookstores around now. It’s very good and you should get a copy. I hope that the book will receive a lot of a…
MIT neuroscientists have found evidence that the brain’s ability to control what it’s thinking about relies on low-frequency brain waves known as beta rhythms.
The body’s ability to repair DNA damage declines with age, which causes gradual cell demise, overall bodily degeneration, and greater susceptibility to cancer. Experiments in mice suggest a way to thwart DNA damage.
Machine learning algorithms pinpoint new materials 200 times faster than previously possible
Researchers have discovered permafrost in the northern hemisphere stores massive amounts of natural mercury, a finding with significant implications for human health and ecosystems worldwide.
Alexander Gerst's Horizons Blog
Founded by polio vaccine developer Jonas Salk, the Salk Institute is an independent, nonprofit organization. We drive foundational, risk-taking research that addresses society’s most pressing challenges, including cancer, Alzheimer’s, and agricultural resilience.
This simulation shows the heat transfer throughout various kinds of meat. In the first section, you can input the starting values for the meat. The default is a 3cm piece of steak at room temperature (73°F or 23°C). The maximum meat thickness is 30 cm since we are assuming you're not trying to cook a whole cow. The…
Air India Express flight IX611 struck an ILS lighting tower and damaged a nearby brick wall at the departure end of RWY 27 in Trichy on departure.
Quantum computers might sound a bit exotic and far into the future, but in reality, they are now accessible in the cloud or through emulators for everyone to write quantum code. In this tutorial, we’ll go through how you can program a simple quantum computer to generate random numbers.
Think of it as style transfer for dancing, a deep learning based algorithm that can convincingly show a real person mirroring the moves of their favorite dancers. The work, developed by a team of…
ESO’s Very Large Telescope (VLT) has achieved first light with a new adaptive optics mode called laser tomography — and has captured remarkably sharp test images of the planet Neptune, star clusters and other objects. The pioneering MUSE instrument in Narrow-Field Mode, working with the GALACSI adaptive optics module…
Data collection and analysis by Hasan Al-Jamaly, Maximillian Siemers, Owen Shen, and Nicole Stone.
How does the brain work? While neuroscience provides insights on small-scale processes and overall behavior, we don’t know much for sure about the learning and processing algorithms in between. In this blog post, I will give an introduction to what we know. Let’s take an engineering perspective and play evolution: How…
Researchers from NVIDIA, led by Guilin Liu, introduced a state-of-the-art deep learning method that can edit images or reconstruct a corrupted image, one that has holes or is missing pixels.
