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Interstellar Mission to a Black Hole
If DM could form a BH at the center of a planet, wouldn’t that then collapse the planet into that BH, consuming it? Wouldn’t the same apply to stars, extinguishing them?
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,455 posts.
2852
The Reliability of Optical Disks
How long will burned CDs / DVDs / BluRays last?
2853
Excess mortality from March to December of 2020
Explore data on COVID-19 excess mortality across the world.
2854
Electrolyser development: 200 times less iridium needed
Researchers at TNO have been the first to develop a method that will require 200 times less iridium for electrolysis.
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Chinese pebble-bed nuclear reactor passes "meltdown" test
New testing done at China’s Shidaowan nuclear power plant has confirmed its ability to be naturally cooled down, an industry-first milestone for achieving commercial-scale inherent safety, according to researchers.
2856
Significant sex differences in Covid-19 immune response
Yale researchers have identified significant differences in how the immune systems of women and men respond to the virus that causes COVID-19.
2857
Hyperloop lets you travel on a resonant acoustic wave?
Elon Musk is a fascinating guy, and his Hyperloop concept equally so. Now that the details have started trickling out, almost in the form...
2858
Well, Actually – Physics Answers
Science News, Physics, Science, Philosophy, Philosophy of Science
2859
New plant-derived composite is tough as bone and hard as aluminum
A new woody composite engineered by an MIT team is tough as bone and hard as aluminum, and might pave way for naturally derived plastics.
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Study shows dementia more common in older adults with vision issues
A link between vision issues in older adults and an increased likelihood of dementia.
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New generation artificial heart implanted in patient
DURHAM, N.C. -- A surgical team at Duke University Hospital, led by Drs. Jacob Schroder and Carmelo Milano, successfully implanted a new-generation artificial heart in a 39-year-old man with heart failure, becoming the first center in North America to perform the procedure.
2863
Finding the best dog treat with statistics
I ran a pairwise-choice experiment on my Greyhound to rank his favorite treats, measure side bias, and accidentally turn bedtime snacks into a statistics problem.
2864
Dead Sea Scroll fragments thought to be blank reveal text
New research has revealed that four Dead Sea Scroll manuscript fragments housed at The University of Manchester’s John Rylands Library, which were previously thought to be blank, do in fact contain text. The discovery means that The University of Manchester is the only institution in the UK to possess authenticated…
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IPhone 4 films final Discovery launch from 30,000 feet up.
Business travel can get a bit boring can’t it? (OK a LOT boring). Imagine looking out of the window on a flight to see Discovery launching on its final mission. That would be quite cool. Neil Monday just did. I once saw Comet Hale Bopp and the northern lights when flying to San Francisco. I […]
2867
Nematode Neural System Uploaded to a Computer and Trained to Balance a Pole
TU Wien News. Press releases. Calendar of Events. University Gazette.
2868
The Paris Pneumatic Clock Network (2018)
Douglas Self, clock, Pneumatic
2869
Photovoltaic growth: reality versus projections of the IEA
This is a guest blog by Auke Hoekstra, senior adviser electric mobility at the Eindhoven University of Technology and developer of agent-based models for electric vehicles and renewable energy adop…
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Getting a scientific prize for open-source software
Note An important acknowledgement for a different view of doing science: open, collaborative, and more than a proof of concept. A few days ago, Loïc Estève, Alexandre Gramfort, Olivier Grisel,...
2872
World's largest natural sound archive is now online
The Macaulay Library natural sound archive at the Cornell Lab of Ornithology has been fully digitized and is now available online.
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A Molecular Near Miss
I’m thrilled to report that I’m a co-author of the article “ An ultra-stable gold-coordinated protein cage displaying reversible assembly “, which was recently published in Nature . This work is the result of an exciting collaboration between biochemists, physicists, structural biologists, mathematicians, and others…
2875
You need 16 times the sample size to estimate an interaction than a main effect
In causal inference, it is often important to study varying treatment effects: for example, a treatment could be more effective for men than for women, or for healthy than for unhealthy patients. Suppose a study is designed to have 80% power to detect a main effect at a 95% confidence level. Further suppose that…
2876
Covid-19: The T Cell Story
When COVID-19 burst on to the scene, tests quickly showed that the everyone was susceptible - no pre-existing antibodies were found that bound to the SARS-CoV-2 virus. This led to dire predictions that over 80% of the population might eventually fall ill. Now more than six months in, this has not happened, and it does…
2877
Notes from the SF peptide scene
Pulling together disparate thoughts from two weeks wandering around SF
2878
What Is Suspension Trauma a.k.a. Harness Hang Syndrome?
orthostatic intolerance hypotension hang syndrome suspension trauma
2879
Could we stop Yellowstone from erupting with a geothermal power plant?
It’s become fairly common knowledge that Yellowstone National Park, in addition to being incredibly beautiful, is sitting on top of an enormous supervolcano that catastrophically erupts every few hundred thousand years.
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