HS-PS4-5
Communicate technical information about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.
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ComputingFingerprints could help keep kids from dangerous websites
A teen develops a program that estimates age based on someone’s fingers
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Science & SocietyHeating 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.
By Sid Perkins -
TechTeens garner some $4 million in prizes at 2017 Intel ISEF
Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.
By Sid Perkins -
ComputingLEDs offer new way to kill germs in water
Growing ultraviolet-light-emitting diodes on thin, flexible sheets of metal holds promise for water disinfection and other applications.
By Sid Perkins -
ComputingStar Trek technology becomes more science than fiction
On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.
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BrainWhat makes a pretty face?
Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?
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Health & Medicine‘Smart’ sutures monitor healing
Coatings added to the threads used to stitch up a wound let researchers use electrical signals to monitor a wound’s healing — even one covered by a bandage.
By Sid Perkins -
PhysicsScientists Say: Watt
Say Watt? This is a unit used to measure the flow of energy being used.
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PhysicsHow to catch a gravity wave
Physicists have just announced finding gravity waves. The phenomenon was predicted a century ago by Einstein’s theory of general relativity. Here’s what it took to detect the waves.
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PhysicsBoom! Sounding out the enemy
Armistice Day marked the end of the Great War. But what arguably won the war was acoustics — the science of sound. It allowed Allied troops to home in on and rout the enemy.
By Ron Cowen -
PhysicsEinstein taught us: It’s all ‘relative’
One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.
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BrainScientists Say: MRI
MRI is a technique used to diagnose diseases and to study the body. The machine can map internal structures, all the way down to tiny blood vessels.