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How to Train Yourself to Go to Sleep Earlier
Whether you want to get more sleep, wake up earlier, or change your nighttime routine, learn science-backed tips for to going to sleep earlier.
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,454 posts.
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Wendelstein 7-X achieves world record
In the past experimentation round Wendelstein 7-X achieved higher temperatures and densities of the plasma, longer pulses and the stellarator world record for the fusion product. Moreover, first confirmation for the optimisation concept on which Wendelstein 7-X is based, was obtained. Wendelstein 7-X at Max Planck…
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Facial expression software confirms bronze medalists happier than silver
The Carlson School of Management research showed replicated and expanded on what was previously found: bronze medalists were more likely to exhibit a smile than silver medalists, while gold medalists were happier than other medalists.
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D-Wave: Truth finally starts to emerge
Wrap-Up (June 5): This will be my final update on this post (really!!), since the discussion seems to have reached a point where not much progress is being made, and since I’d like to oblige …
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Marble: A Multimodal World Model
Marble, our frontier multimodal world model, is available to everyone starting today
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Is the Kalman filter just a low-pass filter?
Exploring the relationship between Kalman filtering and optimal frequency domain filtering.
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A Curious Integral
Note: These pages make extensive use of the latest XHTML and CSS Standards . They ought to look great in any standards-compliant modern browser. Unfortunately, they will probably look horrible in older browsers, like Netscape 4.x and IE 4.x. Moreover, many posts use MathML, which is, currently only supported in…
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Dutch radio amateurs image far side of the Moon using Chinese satellite data
This image shows the far side of the Moon, as well as our own planet Earth. It was taken with a camera linked to an amateur radio transceiver on board the Chinese DSLWP-B / Longjiang-2 satellite (call sign BJ1SN), currently in orbit around the Moon, and transmitted back to Earth where it was received with the…
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Your body wasn’t built to last: a lesson from human mortality rates
What do you think are the odds that you will die during the next year? Try to put a number to it — 1 in 100? 1 in 10,000? Whatever it is, it will be twice as large 8 years from now. This s…
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U.S. already has the critical minerals it needs, according to new analysis
A new Science study reveals the U.S. already mines the critical minerals it needs for energy and defense, but they are currently being discarded as mine waste.
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Hepatitis C kills more Americans than all other infectious diseases combined
Hepatitis C has become so widespread that experts are calling on doctors to screen all adults 18 to 79, even those with no known risk factors or symptoms.
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The Third Atomic Bomb
After the atomic bombings of Hiroshima and Nagasaki, the US Army Air Force had plans to drop a third bomb on August 19, 1945—with more to come if necessary. Fat Man bomb casing at the USAF Museum
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Negative temperatures are not colder than absolute zero
There’s been a lot of buzz lately in the science blogosphere about a recent experiment where physicists created a gas of quantum particles with a negative temperature – negative as in, …
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Quantum computing bombshells that are not April Fools
For those of you who haven’t seen, there were actually two “bombshell” QC announcements this week. One, from Caltech, including friend-of-the-blog John Preskill, showed how to do quantum faul…
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Bees struggle to find flowers because of air pollution
A new study has found that air pollution is preventing pollinators finding flowers because it degrades the scent.
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The B-52 was designed in a hotel room over one weekend
Sandboxx News makes the complex approachable. Bridging the gap between academic expertise and practical boots-on-the-ground experience, we remove the mystery from conflict and highlight the importance of military service and deterrence-reinforcing technology.
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MRI brain images become 64M times sharper
MRI technology from Duke-led effort reveals the entire mouse brain in the highest resolution
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Everything is correlated (2014–23)
Anthology of sociology, statistical, or psychological papers discussing the observation that all real-world variables have non-zero correlations and the implications for statistical theory such as ‘null hypothesis testing’.
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Mystery of 60-Second Fluctuations in Power Grids Solved
Why do our grids show a brief spike in electricity demand every minute? A team led by Dirk Witthaut from Forschungszentrum Jülich has now demonstrated that this is due to regular power checks carried out by large-scale battery storage systems. These findings could help to make our electricity supply more robust, as…
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Air Traffic Control
Air traffic control has been in the news lately, on account of my country's declining ability to do it. Well, that's a long-term trend, resulting from decades of under-investment, severe capture by our increasingly incompetent defense-industrial complex, no small degree of management incompetence in the FAA, and…
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Oliver Heaviside and the theory of transmission lines (2021)
(This is an adapted version of an article I wrote for the Dutch amateur radio magazine Electron , November 2021.)