HS-PS4-1
Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.
- Computing
A single chip like this could transmit a world’s worth of data
The internet has a big environmental footprint. But this new type of tech could help reduce the climate impact of computing.
- Physics
In a breakthrough experiment, fusion gave off more energy than it used
The sun creates energy through nuclear fusion. Now scientists have too. This achievement raises hopes for developing a new type of clean energy.
- Earth
Scientists Say: Seismology
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
- Chemistry
Was that fingerprint left during a crime? A new test may answer that
In what could be a boon to forensics, Iowa State University chemists have come up with a way to analyze the age of fingerprints.
- Tech
Will the internet soon reach the one-third of people without it?
Access to the internet is a human right, yet much of the world can’t get online. New tech has to be affordable and usable to end this digital divide.
- Chemistry
Scientists Say: Fluorescence
This property causes materials — including some animals’ skin, fur or feathers — to glow under light.
- Materials Science
These fabrics change color as they stretch
Stretchy, color-shifting cloth may lead to new art, fashions and sensors. A century-old Nobel-prize-winning invention served as its inspiration.
- Planets
Check out the first direct look at Neptune’s rings since the ’80s
The Voyager 2 spacecraft took the first pics of Neptune’s rings 33 years ago. Now, NASA’s James Webb telescope is providing a more detailed view of them.
- Physics
Cosmic timeline: What’s happened since the Big Bang
Energy, mass and the cosmos' structure evolved a lot over the past 13.82 billion years — much of it within just the first second.
- Earth
One 2022 tsunami may have been as tall as the Statue of Liberty
A massive volcanic eruption in the South Pacific, earlier this year, appears to have triggered one tsunami that was initially 90 meters (nearly 300 feet) tall.
- Physics
Let’s learn about music
Researchers are delving into how instruments and spaces shape our experience of music, and how computers could play a role in the future of music-making.
- Climate
Coastal cities around the world are sinking, satellite data show
Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.
