Physics

  1. Physics

    Black holes might have a temperature

    Physicists made a mock black hole in their lab. They used it to show the real, celestial black holes have a slight temperature.

    By
  2. Earth

    Trees may become the key to ‘greener’ foam products

    Scientists have made an environmentally friendly alternative to plastic-based foams to help keep things cool.

    By
  3. Climate

    Space weather forecast: Big storms ahead

    Scientists studying blobs of energetic particles shot from the sun may help us prepare for stormy consequences on Earth.

    By
  4. Earth

    Dry sand can bubble like the blobs in a lava lamp

    Put two types of sand grains together in a chamber and they can flow like fluids. All it takes is a jiggle and some gas.

    By
  5. Physics

    Scientists Say: Light pollution

    Light pollution is when artificial light shines into places that are normally dark. It can disrupt the lives of plants, animals and people.

    By
  6. Physics

    Dying stars can make gold as they collapse into black holes

    There are spinning stars in space. Some of them collapse into black holes. Along the way, they may generate a lot of heavy elements — including gold.

    By
  7. Earth

    New insights on how STEVE lights up the night sky

    Satellite data and photos snapped by citizen scientists reveal the origins of the strange atmospheric glow called STEVE.

    By
  8. Animals

    Let’s turn a genie blue

    Aladdin’s genie is very magical. He’s also blue. What might explain that? Nature has some tricks on offer.

    By
  9. Physics

    Meteorites may be excavating lunar water

    When meteorites hit the moon, water is released from the moon’s soil. That suggests the moon has water buried all across its surface.

    By
  10. Materials Science

    Analyze This: Do exotic woods make better guitars?

    When comparing the sound of guitars made from rare and costly woods to those made with common, cheaper alternatives, guitarists couldn’t tell much of a difference.

    By
  11. Physics

    Heat signatures help track down old and still deadly land mines

    A new technique for locating land mines uses infrared cameras on drones. The novel technology uses temperature differences to find camouflaged mines before anyone might accidentally step on them.

    By
  12. Physics

    Here’s the first picture of a black hole

    The Event Horizon Telescope imaged the supermassive beast lying some 55 million light-years away in a galaxy called M87.

    By and