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Nicotine (2016)
On the benefits and lack of demerits of nicotine (research up to 2015)
New
The latest blog posts to take off on Hacker News. 440 posts.
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Passive radiative cooling ceramic with high solar reflectivity
A significant breakthrough in developing a passive radiative cooling (PRC) material has been announced by researchers at City University of Hong Kong (CityU) . The findings have just been published in the prestigious scientific journal Science titled “ Hierarchically structured passive radiative cooling ceramic with…
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Gigantic heat caverns in Mustikkamaa have now been filled with water (2021)
The filling of underground heat caverns in Mustikkamaa with water has been completed this week, and the use of the heat caverns for heating homes in Helsinki is a step closer.
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$200M gift propels scientific research in the search for life beyond Earth
November 8, 2023, Mountain View, CA – The SETI Institute , a non-profit scientific research organization, announced today a philanthropic gift of $200m from the estate of Franklin Antonio, a visionary supporter and catalyst of the work of the SETI Institute for more than 12 years. Co-founder of communications chip…
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Euclid's First Images
Euclid, our dark Universe detective, has a difficult task: to investigate how dark matter and dark energy have made our Universe look like it does today. 95% of our cosmos ...
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Potato Diet Riff Trial: Sign Up Now, Lol
When we finished the Potato Diet Community Trial, we found ourselves in a pickle. The diet worked — people lost 10.6 lbs on average over only four weeks — and we had basically no idea why. No idea …
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UHZ1: NASA telescopes discover record-breaking black hole
This image contains the most distant black hole ever detected in X-rays , a result that may explain how some of the first supermassive black holes in the universe formed. As we report in our press release , this discovery was made using X-rays from NASA’s Chandra X-ray Observatory (purple) and infrared data from…
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Can solar and wind power Britain? An update of David MacKay's numbers
These technologies have developed a lot since 2008. Should we be any more optimistic about their potential to power Britain?
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SARS-CoV-2 Infection Affects Energy Stores in the Body, Causing Organ Failure
An international research team, including Jonathan C. Schisler, PhD, in the UNC School of Medicine, has found how SARS-CoV-2 causes widespread “energy outages” throughout major organs, and how these effects contribute to debilitating long COVID symptoms.
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Nuclear Conversion for Starship
A blog dedicated to helping Science Fiction authors create and discuss worlds where a realistic setting can still serve the fiction.
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First observation of a virus attaching to another virus
Pairs of viruses where one needs the other to reproduce are well documented, but no one has ever see one virus directly attached to another. "I can’t...
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MetNet-3: A state-of-the-art neural weather model
Posted by Samier Merchant, Google Research, and Nal Kalchbrenner, Google DeepMind Forecasting weather variables such as precipitation, temperature,...
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One sleepless night can rapidly reverse depression for several days in mice
In a new study, researchers induced mild, acute sleep deprivation in mice and then examined their behaviors and brain activity. Not only did dopamine release increase during the acute sleep loss period, synaptic plasticity also was enhanced — literally rewiring the brain to maintain the bubbly mood for the next few…
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Light can make water evaporate without heat
At the interface of water and air, light can, in certain conditions, bring about evaporation without the need for heat, according to an MIT study.
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Earth's blobs are remnants of an ancient planetary collision
In the 1980s, geophysicists made a startling discovery: Two continent-sized blobs of unusual material were found deep near the center of the Earth, one beneath the African continent and one beneath the Pacific Ocean.Each blob is twice the size of the moon, and research over the last decade has shown that they are…
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Where do our atoms come from?
Falling down a rabbit hole
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π in Other Universes
How the value of π depends on the definition of distance.
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How many billions of transistors in an iPhone processor?
In about 10 years, Apple has multiplied by 19 the number of transistors in its mobile processors. It corresponds roughly to a steady rate of improvement of 34% per year on the number of transistors, or a doubling every 2.5 years. In real dollars, an iPhone has roughly a constant price: the price tag of … Continue…
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Carl Sagan's Rules for Bullshit-Busting and Critical Thinking
Necessary cognitive fortification against propaganda, pseudoscience, and general falsehood.
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Running Speeds
Recently a shoe store in France ran a promotion called “Rob It to Get It”, which invited customers to try to steal something by grabbing it and running out of the store. But there was a catch — the “security guard” was a professional sprinter, Méba Mickael Zeze. As you would expect, he is fast, but you might not…
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How to Think Computationally about AI, the Universe and Everything
In his TED Talk, Stephen Wolfram covers the emergence of space by the application of computational rules to spacetime, gravity and quantum mechanics to AI and LLMs. Computational irreducibility and the ruliad.
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Study shows antibodies against PEG in 83% of the German population
Study shows antibodies against polyethylene glycol in 83 percent of the German population
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My Left Kidney
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Ceasing print publication of ACM journals and transactions
Ceasing Print Editions for ACM Journals and Transactions
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How bioelectricity could regrow limbs and organs
Biologist’s innovative research on how cells rebuild themselves could be the future of regenerative medicine
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Adding crushed rock to farmland pulls carbon out of the air
Learn from UC Davis researchers how adding crushed volcanic rock to farmland removes carbon dioxide from the air.
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LIGO Surpasses the Quantum Limit
New technology in operation at LIGO is tackling quantum mechanical noise, enabling LIGO to probe a larger volume of the Universe and greatly boost the observatory's ability to study the exotic events that shake space and time.