Physics
- Physics
Doctor Who’s TARDIS is bigger on the inside — but how?
The TARDIS looks like a old police box on the outside. But on the inside, it’s got plenty of space. How does that work? It just takes a wormhole and a tesseract or two.
- Physics
Dazzling laser advances bring physicists a Nobel Prize
The winners of 2018 Nobel Prize in physics helped usher in new laser feats, such as making optical “tweezers” and creating amazingly bright beams of light.
- Physics
The perfect spaghetti snap starts with a twist
A spaghetti-snapping machine helped scientists find the secret to cleanly breaking pasta in half: First, give it a twist.
- Materials Science
Adhesive from trees could make tape more eco-friendly
The stuff that makes your tape sticky comes from fossil fuels. Now scientists have used tree wastes to engineer a “greener” tape adhesive — one kinder to the environment.
- Physics
Scientists Say: Kelvin
Kelvin is a temperature scale. It’s based around the concept of “absolute zero,” a temperature so cold that molecules stop moving.
- Physics
Distant galaxy seems filled with dark matter
If the Cosmic Seagull is a repository for dark matter, it will be the most distant galaxy to be filled with mysterious stuff.
- Climate
Hawaii’s record 2018 rains may foretell wetter times ahead
Another rainfall record was set in Hawaii. But how does this stack up to other rain records across the United States?
- Earth
Analyze This: Can you outrun these geological disasters?
There's one geological disaster you probably can outrun, and a few others that are iffy.
- Physics
Scientists traced an incoming neutrino back to its galactic birthplace
The high-energy particle was born in a blazar 4 billion light-years away, scientists now report.
- Physics
Scientists Say: Infrared
Infrared light belongs to a part of the spectrum that people can’t see. But this kind of light can be used to “see” the heat signatures of objects.
- Animals
Electric currents in the air may cue ‘ballooning’ spiders on when to take off
Some spider species float on the breeze using a parachute of silk. A new study suggests electrical charges in the air help spiders time these flights.
- Planets
Mars appears to have a lake of liquid water
A 15-year-old Mars orbiter has spotted signs of a salty lake beneath the Red Planet’s southern polar ice sheets.
