Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,455 posts.
The future of electricity is local
I frequently read about proposals for new solar power developments where the resulting power is moved great distances to less sunny places, such as northern Europe from the Sahara, the US North Eas…
How the Tobacco Industry Drove the Rise of Ultra-Processed Foods (2025)
Public Health professor discusses how ultra-processed foods are a direct legacy of the tobacco industry, and are responsible for a dramatic rise in obesity, diabetes and other chronic diseases across the country.
First lethal attacks by chimpanzees on gorillas observed
Research team now examines impact of food competition and climate change
Gravitational Lensing to Observe Ancient Earth
I was at SFMOMA with Erika a few weekends ago and we saw an exhibit showing the work of Lebbeus Woods – a futuristic architect and illustrator.
John Michell: Country Parson Described Black Holes in 1783 (2000)
When a country parson first described black holes in 1783, the concept was so ahead of its time it was mostly ignored.
Food coloring, anti-caking nanoparticles may affect human gut
Metal oxide nanoparticles – commonly used as food coloring and anti-caking agents in commercial ingredients – may damage parts of the human intestine, say Cornell and Binghamton University scientists.
Making Steel with Electricity
The Siderwin research project tested a new method of steelmaking that uses direct electrolysis of iron oxide in a pilot plant in France. The steelmaker ArcelorMittal now announced that it wants to commercialize the technology.
Can I take ducks home from the park?
16 queries and 6 language models
The Seal Failure in the SRB That Doomed Challenger (2021)
Update 7-15-2024 : This article suddenly saw a brief spike of enormous readership in July of 2024! It became the all-time most-viewed-ever...
How a Handgun Works: 1911 .45
Check out Animagraffs on youtube > .
Over the past 10 years, the LHC has found more than 50 new hadrons
This content is currently in the process of being archived and integrated into the CERN Library collections.
The sum of all the positive integers is not -1/12
I haven't been blogging recently because my new startup is taking up all my time, but someone needs to stand up and say the emperor has no c...
3-D printed ovaries produce healthy offspring in mice
Bioprosthetic ovaries produced mouse pups in otherwise infertile mice
The Dipole Drive: A New Concept for Space Propulsion
It’s a fascinating concept but I’d like to see a comparison toDr. Young Bae’s laser thruster concept for solar system travel.
Using Deep Learning to Predict the Olfactory Properties of Molecules
Posted by Alexander B Wiltschko, Senior Research Scientist, Google Research Smell is a sense shared by an incredible range of living organisms, a...
Holography without Lasers: Hand-drawn Holograms (1999)
I've stumbled across a technique for drawing holograms directly upon a plastic plate by hand. It sounds impossible, but I've been sitting on the livingroom sofa making holographic images of floating polyhedra, words, 3D starfields, opaque objects, etc. No laser, no isolation table, no darkroom, no expensive film…
Can guitar frets perform multiplication?
I’m sure that some pictures are worth a thousand words, but others trigger a whole lot of puzzlement. Such was the case with the cover of a book I recently bought entitled Calculating with Tones: The Logarithmic Logic of Music:
Black Hole Tech?
In celebration of the detection of gravitational waves, Stephen Wolfram looks forward and discusses what technology black holes could make possible.
Turning satellite imagery into wall art
See how we go from raw satellite imagery, clouds and all, to beautiful wall art.
Tuna are spawning in marine protected areas
Marine sanctuaries have benefited at-risk species living within their borders, but their implications for highly migratory species such as tuna have been less clear. Now, researchers at MIT and the Woods Hole Oceanographic Institution have found evidence that tuna are spawning in the Phoenix Islands Protected Area in…
When Einstein Met Tagore
Collision and convergence in Truth and Beauty at the intersection of science and spirituality.
When will the eclipse happen? A multimillennium tale of computation
Wolfram tech and its dedicated website now easily predict eclipses. A look at advances in understanding and science from ancient eclipse data thousands of years old through current eclipse calculations.
An equation that takes Pythagoras to a new level
Unbelievably enough, it all comes back to Pythagoras.
A polymer made from waste cooking oil and sulphur can clean up crude oil spills
Polluted beaches, oily water, dead birds and marine life destruction caused by crude oil spills could be a thing of the past with pioneering new research […]