Waves and Their Applications in Technologies for Information Transfer
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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.
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EarthExplainer: Seismic waves come in different ‘flavors’
Earthquakes generate several different types of seismic waves, some more damaging than others
By Sid Perkins -
PhysicsExplainer: Quantum is the world of the super small
The word quantum often gets misused. What does it mean? Think small. Really, really small.
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PhysicsDisabilities 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.
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ChemistryScientists Say: Photochromic
Photochromic chemicals change shape when exposed to a specific wavelength of light. The shape change changes the chemical’s color.
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Health & MedicineScientists 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.
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PhysicsGravitational 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.
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ClimateAncient Arctic ‘gas’ melt triggered enormous seafloor explosions
Methane explosions 12,000 years ago left huge craters in bedrock on the Arctic seafloor. Scientists worry more could be on the way today as Earth’s ice sheets melt.
By Beth Geiger -
ChemistryBPA-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.
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BrainWhen is an epileptic seizure about to strike?
Two high-school research projects suggest ways to identify early warnings of a coming epileptic seizure. This might give people time to free themselves from potentially dangerous activities.
By Sid Perkins -
Health & MedicineNeedle-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.
By Sid Perkins -
MicrobesTweaked germs glow to pinpoint buried landmines
Finding landmines could become much safer with a new technology. It uses genetically modified bacteria that glow under laser light.
By Dinsa Sachan