Physics
Scientists Say: Antimatter
Most of the universe consists of ordinary matter. But not all. A tiny fraction is matter’s mysterious twin: antimatter.
Physics
More Stories in Physics
- Environment
Wildfires can be tracked by their distinctive rumble
New sensors can map infrasound — a deep-bass thrumming lower than what human ears can hear — emitted by a fire as its flames spread.
- Animals
Some sea stars channel light like fiber-optic cables
The tiny cone-shaped structures in arms of chocolate-chip sea stars also triple their skeleton’s strength.
- Oceans
Meet the world’s biggest waves — and the mysteries behind them
These towering walls of water carry a lot of energy. Scientists are investigating what gives rise to such behemoths and their destructive power.
- Physics
Scientists made clocks from an atomic nucleus
These super high-tech timepieces use the chemical element thorium to keep time. And as the clocks improve, they could help solve some mysteries in physics.
- Chemistry
Scientists Say: Alloy
These metallic mergers support our tallest buildings and our finest jewelry.
- Physics
Experiment: Measure fake blood spatter
Future forensic scientists, get out your corn syrup and red food coloring! It’s time to fake a crime scene.
- Animals
Analyze This: How sea slugs get their flashy colors
Crystals beneath the skin of nudibranchs, also called sea slugs, allow the creatures to make an array of intense hues with just one material.
- Physics
Physics explains why gold doesn’t ‘rust’
Metals like copper tarnish when they react with oxygen in the air. Gold doesn’t, thanks to a quick rearrangement of atoms on its surface.
- Space
Scientists Say: Event horizon
Past this boundary, nothing that enters a black hole can ever leave — not even light.
