MS-PS4-2

Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.

  1. Animals

    Spidey sense: They can hear you!

    Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.

    By
  2. Tech

    Hot, hot, hot? New fabric could help you stay cool

    A plastic fabric can let body heat escape efficiently, if the material is filled with tiny bubbles of just the right size

    By
  3. Chemistry

    Got milk? Roach milk could be a new superfood

    Scientists have just figured out the recipe for cockroach milk. And that could be a first step toward making it part of the human diet. Yum!

    By
  4. Physics

    Famous physics cat now alive, dead and in two boxes at once

    Splitting Erwin Schrödinger’s famous — and fictitious — cat between two boxes brings scientists one step closer to building quantum computers from microwaves.

    By
  5. Earth

    Cool Jobs: Getting to know volcanoes

    It’s too hot to explore the insides of a volcano. These scientists examine their lava, their low-frequency rumblings and their ‘vog’.

    By
  6. Health & Medicine

    Headed to a concert this summer? Pack earplugs

    Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.

    By
  7. Health & Medicine

    Explainer: When loud becomes dangerous

    Many people don’t realize that sounds — even those of the music they love — can prove harmful when they get too loud.

    By
  8. Tech

    How to make window ‘glass’ from wood

    Scientists have come up with a way to make wood transparent. The new material could be used in everything from windows to packaging.

    By
  9. Space

    Hurricane at this galaxy’s center is wicked fast

    The gale-force winds around one quasar whip by at almost 200 million kilometers per hour. That’s 625,000 times faster than the strongest hurricanes on Earth.

    By
  10. Physics

    Sunlight + gold = steaming water (no boiling needed)

    Nano-gold is the new black, at least when it comes to absorbing heat. When tiny gold particles get together, they become energy super-absorbers — turning them black.

    By
  11. Tech

    Feeling objects that aren’t there

    A new technology uses high-frequency sound waves to create virtual objects you can feel. Its uses include better video games and safer driving.

    By
  12. Physics

    Gravity waves detected at last!

    Albert Einstein predicted gravitational waves 100 years ago. Now scientists have detected them coming from the collision of two black holes.

    By