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New
The latest blog posts to take off on Hacker News. 4,457 posts.
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Radioactive Waste Management
Nuclear waste is neither particularly hazardous nor hard to manage relative to other toxic industrial wastes. The amount of radioactive waste is very small relative to wastes produced by fossil fuel electricity generation. Safe methods for the final disposal of high-level radioactive waste are technically proven.
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A researcher's response to people pointing out 150 errors in four of his papers
There are a bunch of things about this story that just don’t make a lot of sense to me.
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Pi and the Golden Ratio
Two of my favorite numbers are pi: $latex \pi = 3.14159… $ and the golden ratio: $latex \displaystyle{ \Phi = \frac{\sqrt{5} + 1}{2} } = 1.6180339… $ They’re related: $latex \pi =…
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Your yearly dose of is-the-universe-a-simulation
Yesterday Ryan Mandelbaum, at Gizmodo, posted a decidedly tongue-in-cheek piece about whether or not the universe is a computer simulation. (The piece was filed under the category “LOL.…
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CERN experiment discovers five new particles
STFC supports research in astronomy, physics, space science and operates world-class research facilities for the UK.
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3D printing with cellulose
Researchers at MIT have invented a 3-D printing process for cellulose, the world’s most abundant polymer.
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High quality graphics for Latex documents: The Matlab route
You use L a T e X instead of a WYSIWYG word processing program because they can’t cope with the high quality required for publication. But your nice professional looking documents can be ruined because you insert the wrong type of figures. Bitmap figures are easily pixelated because the actual size is not always known…
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Insert D-Wave Post Here
In the two months since I last blogged, the US has continued its descent into madness. Yet even while so many certainties have proven ephemeral as the morning dew—the US’…
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IBM Building First Universal Quantum Computers for Business and Science
Learn about IBM's performance and progress to become a more innovative and focused company.
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Making math more Lego-like
A trio of Harvard researchers has developed a new 3-D pictorial language for mathematics with potential as a tool across a wide spectrum, from pure math to physics.
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94-year-old Lithium-Ion Battery Inventor Introduces Solid State Battery
John Goodenough and his team have developed the first all-solid-state battery cells that could lead to safer, faster-charging, longer-lasting rechargeable batteries.
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Richard Feynman and the Connection Machine (1989)
For Richard, a crazy idea was an opportunity to either prove it wrong or prove it right.
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Poverty
In order to make progress against poverty in the future, we need to understand poverty around the world today and how it has changed.
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Cheating on a string theory exam
You and your friend have watches which are synchronized to the second, and the proctors are used to him often finishing exams quickly and won't be suspicious if he leaves early. What is the largest value N such that you can guarantee that you answer at least N out of the 23 questions correctly?
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Sleep Debt
Have you heard of a sleep debt anytime in your life? Click to see what is it and how this sleep deficit can affect your everyday life.
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Scientists make huge dataset of nearby stars available to public
Members of the public can search a newly released database of 1,600 stars to find signs of undiscovered exoplanets. The dataset, taken over two decades by the W.M. Keck Observatory in Hawaii, comes with an open-source software package and an online tutorial.
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Planet Launches Satellite Constellation to Image the Whole Planet Daily
Today Planet successfully launched 88 Dove satellites to orbit — the largest satellite constellation ever to reach orbit.
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