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What an unprocessed photo looks like
The image isn't even black-and-white , it's gray-and-gray: While the sensor's ADC can theoretically output values from 0 to 16382, the data doesn't cover that whole range.
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 422 posts.
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Honda conducts successful launch and landing of experimental reusable rocket
Honda Global | Honda R&D Co., Ltd., a research and development subsidiary of Honda Motor Co., Ltd., today conducted a launch and landing test of an experimental reusable rocket*1 (6.3 m in length, 85 cm in diameter, 900 kg dry weight/1,312 kg wet weight) developed independently by Honda. The test was completed…
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EU court rules nuclear energy is clean energy
The highest court in the EU just reaffirmed that nuclear energy meets the scientific and environmental standards to be included in sustainable finance, and Greenpeace still refuses to budge.
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CDC: Unpublished manuscripts mentioning certain topics must be pulled or revised
Any unpublished manuscript mentioning certain topics, including gender and "LGBT," must be pulled or revised.
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My 16-month theanine self-experiment
randomized and blinded, N=1
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Research suggests Big Bang may have taken place inside a black hole
In this blog, Professor Enrique Gaztanaga from the Institute of Cosmology and Gravitation writes for The Conversation.
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Square Theory
The story starts in Crosscord, the crossword Discord server. Over 5,000 users strong, the server has emerged as a central hub for the online crossword community, a buzzing, sometimes overwhelming, sometimes delightful town square where total noobs, veteran constructors, and champion solvers alike come together to talk…
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No science, no startups: The innovation engine we're switching off
Tons of words have been written about the Trump Administrations war on Science in Universities. But few people have asked what, exactly, is science? How does it work? Who are the scientists? What d…
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What Americans die from vs. what the news reports on
What do Americans die from, and what do the New York Times, Washington Post, and Fox News report on?
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New gel restores dental enamel and could revolutionise tooth repair
A new material has been used to create a gel that can repair and regenerate tooth enamel, opening up new possibilities for effective and long-lasting preventive and restorative dental treatment.
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We Induced Smells With Ultrasound
First-ever ultrasound olfactory stimulation in humans. We induced distinct artificial smells like campfire and fresh air using focused ultrasound - a nose BCI breakthrough.
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Inflammation now predicts heart disease more strongly than cholesterol
The American College of Cardiology now recommends everybody measure their hs-CRP.
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The scientific “unit” we call the decibel
Celebrating a rare dumpster fire in the kingdom of science.
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ALICE detects the conversion of lead into gold at the LHC
Near-miss collisions between high-energy lead nuclei at the LHC generate intense electromagnetic fields that can knock out protons and transform lead into fleeting quantities of gold nuclei
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I tried making artificial sunlight at home
Some time ago, I saw this video by DIY Perks where they make artificial sunlight at home with a 500W LED and a gigantic (1.2m) parabolic reflector. I've been...
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Attention lapses due to sleep deprivation due to flushing fluid from brain
An MIT study reveals what happens in the brain as lapses of attention occur following sleep deprivation. During these lapses, a wave of cerebrospinal fluid flows out of the brain — a process that typically occurs during sleep and helps to wash away waste products that have built up during the day.
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Homemade polarimetric synthetic aperture radar drone
Designing a cheap synthetic aperture radar mounted on FPV drone.
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How fast the days are getting longer (2023)
Here in the northern hemisphere the vernal equinox just passed and the days arequickly getting longer. One of my col...
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Deep learning gets the glory, deep fact checking gets ignored
AI, science, education, & ethics
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How does a screen work?
From electron guns to tiny electric crystals - digital displays have always been the unsung hero of computing.
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That fractal that's been up on my wall for years
Warning: Math, Handwaving I spent a lot of time doodling in middle school instead of whatever middle schoolers are supposed to do. Somewhere between the Cool S’s and Penrose triangles I found a neat way to fill up graph paper by combining and copying squares.
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Live Stream from the Namib Desert
https://www.looduskalender.ee/n/en - check these as well (not so exotic, but still a lot of fun)
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New colors without shooting lasers into your eyes
Can optical illusions take you outside the human color gamut?
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A new Google model is nearly perfect on automated handwriting recognition
A mysterious new model currently in testing on Google’s AI Studio is nearly perfect on automated handwriting recognition but it is also showing signs of spontaneous, abstract, symbolic reasoning.
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AlphaGenome: AI for better understanding the genome
Introducing a new, unifying DNA sequence model that advances regulatory variant-effect prediction and promises to shed new light on genome function — now available via API.
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Richard Sutton and Andrew Barto Win 2024 Turing Award
Andrew Barto and Richard Sutton as the recipients of the 2024 ACM A.M. Turing Award for developing the conceptual and algorithmic foundations of reinforcement learning. In a series of papers beginning in the 1980s, Barto and Sutton introduced the main ideas, constructed the mathematical foundations, and developed…
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Airbus A320 – intense solar radiation may corrupt data critical for flight
Analysis of a recent event involving an A320 Family aircraft has revealed that intense solar radiation may corrupt data critical. Read more.
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40 percent of fMRI signals do not correspond to actual brain activity
Interpretation of numerous MRI data may be incorrect: blood flow is not a reliable indicator of brain activity.