MS-PS4-2
Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
- Space
Here’s how to build an internet on Mars
Future Red Planet residents will need to get online to talk to each other and Earth. But that will require a lot of new tech.
- Physics
Let’s learn about particles that help us peer inside objects
Particles such as muons, X-rays and neutrons help scientists peer inside fossils, mummies, pyramids, volcanoes and the human body.
- Space
Check out the magnetic fields around our galaxy’s central black hole
Astronomers have captured polarized light coming from the Milky Way’s supermassive black hole. This offers insight into its magnetic fields.
- Earth
Earthquake sensor: Taylor Swift fans ‘Shake It Off’
Scientists determined dancing fans were behind the seismic waves recorded during Swift’s August concerts.
- Earth
Explainer: Sprites, jets, ELVES and other storm-powered lights
Fleeting glows collectively known as “transient luminous events” flash in the skies above powerful lightning storms.
- Oceans
Analyze This: Climate change may worsen the spread of ocean noise
Some parts of the ocean may become five times as loud in the future.
- Earth
The weird sky glow called STEVE is really confusing scientists
Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.
- Space
This space physicist uses radios to study eclipses
Nathaniel Frissell uses radio data to study how eclipses affect a layer of the atmosphere called the ionosphere.
- Physics
Physics explains why poured water burbles the way it does
The loudness of falling water depends on the height of the pour and the thickness of the stream.
- Physics
Scientists Say: Polarized light
Sunlight, lamplight and other lights are usually unpolarized. But passing light waves through filters can ‘polarize’ them.
- Physics
Neutrons are unveiling hidden secrets of fossils and artifacts
Images made with these particles have revealed details of dinosaur bones, mummies and more.
- Archaeology
Analyze This: Stonehenge’s ‘Altar Stone’ has mysterious origins
After a century of searching for the source of the Altar Stone, scientists have yet to figure out where ancient people got the rock.
