HS-PS4-1
Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.
- Health & Medicine
Explainer: What is ultrasound?
These sound waves, which fall above the range of human hearing, are important in medicine, medical imaging and more.
- Tech
New eyewear could help the visually impaired
Young inventors develop novel electronics to help people identify colors and navigate obstacles.
- Science & Society
Heating up the search for hidden weapons
Using an off-the-shelf camera and an innovative bit of software, a high-school student developed the means to inexpensively detect a hidden weapon.
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Protecting deer with high-pitched noises
After her uncle crashed his truck into a deer, this teen decided to find out if there was a sound that would drive the animals away from roads.
- Earth
Explainer: Seismic waves come in different ‘flavors’
Earthquakes generate several different types of seismic waves, some more damaging than others
- Physics
Disabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
- Health & Medicine
Scientists Say: Acoustic
Acoustic is an adjective used to describe something involving sound. It’s also a noun that refers to the branch of physics that studies sound.
- Physics
Gravitational waves detected yet again
For the third time in 16 months, scientists have announced detection of gravitational waves washing over the spacetime environment in which Earth resides. This seems to show that such waves may not be rare.
- Chemistry
BPA-free plastic may host BPA-like chemical, teen finds
Something has to replace the BPA in ‘BPA-free’ plastics. A teen has been probing what that is.
- Health & Medicine
Needle-free blood typing may be on the way
A teen in Kuwait presents data suggesting how, one day, it may be possible to figure out your blood type just by shining infrared light into your skin.
- Science & Society
Cool Jobs: Reaching out to E.T. is a numbers game
From figuring out if we’re alone in the universe, to writing messages to aliens, scientists use math in many ways in their search for extraterrestrial intelligence.
- Health & Medicine
Umbrella’s shade doesn’t prevent sunburn
Sunblock may be sticky and uncomfortable, but it blocked more of the sun's harmful rays than did an umbrella, a new study found.
