Humans
Some people use echolocation to get around. Here’s how it works
As expert echolocators make multiple clicking sounds, their brains process the echoes to help them perceive their surroundings.
HS-PS4-1
Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.
More Stories in HS-PS4-1
- Physics
Physics explains why sneakers squeak on the basketball court
We’re hearing a shoe’s sole wrinkling in bursts that repeat thousands of times each second.
- Space
Scientists Say: Bolide
It starts as a flash. Then comes the sonic boom. The boldest meteors often go out with a bang.
- Fossils
Here’s why ammolite gems have a rainbow shimmer
The fossils’ fabulous colors arise from delicate assemblies of crystal plates.
- Materials Science
Scientists Say: Tenebrescence
Under ultraviolet light, some minerals adopt long-lasting new hues.
- Physics
Here’s how to levitate something without magic
Levitation may seem like fantasy. But all it takes is a little physics — and sound waves, magnetism or electricity.
- Animals
Rudolph’s red nose could glow through bioluminescence
Simple chemistry could give the reindeer his iconic red snout. But physics would make it look different colors to anyone who spied Rudolph from the ground.
- Psychology
Listening to slightly different sounds in each ear may boost focus, teen finds
While “binaural beats” may boost attention, his research shows video game music is distracting.
- Space
Scientists caught a black hole ringing like a bell
Two black holes merged, creating a new, bigger one. This event triggered the clearest ripples in spacetime ever observed.
- Physics
Scientists Say: Infrasound
“Listening” for changes in these deep rumblings can allow scientists to predict earthquakes and other geological events.
