HS-PS2-6
Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.
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Materials Science
3-D printers offer better way to make some magnets
3-D printers produced magnets as strong as conventional ones with less material wasted.
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Tech
Star 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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Animals
Snout goo may help sharks sense prey
Scientists may be one step closer to understanding how sharks sense their prey. Pores on their snout and face are lined with a gel that may help relay electrical currents created by prey’s movements.
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Materials Science
Nanowires could lead to super-long-lived battery
Scientists have long been looking for ways to make rechargeable batteries that last forever. They now may be close. Their solution: gel-dipped nanowires.
By Lela Nargi -
Physics
Boom! 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 -
Tech
‘Smart’ clothes generate electricity
Scientists in South Korea have developed a fabric that captures energy from its wearer’s motions and turns it into electricity.
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Health & Medicine
Vision-ary high tech
New devices are being developed to improve, restore or preserve the vision of people with eye diseases, such as glaucoma and macular degeneration. One device is a telescopic contact lens than can be zoomed with a wink.
By Sid Perkins -
Physics
Building a mirror with light
Scientists proved that lasers can be used to harness materials into a reflective surface. Some scientists ask: Can a space mirror be far away?
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Environment
Explainer: All crude oil is not alike
Crude oil comes in conventional and unconventional types.
By Janet Raloff