Physics
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Physics
A powerful laser can control the paths that lightning takes
In a mountaintop experiment, a laser beamed at the sky created a virtual lightning rod that snagged several bolts.
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Tech
Think of this new tech as sunglasses for our windows
Keeping buildings cool can use a lot of energy. Thanks to quantum computing, engineers designed a coating to cut the warming light that enters windows.
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Space
Spacecraft traveling through a wormhole could send messages home
A probe going through a wormhole should be able to send messages home before such a tunnel forever closes, a new computer model finds.
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Materials Science
Let’s learn about piezoelectric materials
Piezoelectric materials turn mechanical energy into electrical energy — and vice versa.
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Computing
A single chip like this could transmit a world’s worth of data
The internet has a big environmental footprint. But this new type of tech could help reduce the climate impact of computing.
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Materials Science
Analyze This: Algae behind blue-glowing waves light up a new device
Some algae glow blue when they experience forces. Held in transparent plastic, they now make devices light up in response to gentle pushes and tugs.
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Physics
In a breakthrough experiment, fusion gave off more energy than it used
The sun creates energy through nuclear fusion. Now scientists have too. This achievement raises hopes for developing a new type of clean energy.
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Materials Science
Let’s learn about the weird science of ice
Better understanding of ice could lead to new deicing materials or even, someday, weather control.
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Physics
Explainer: Kinetic and potential energy
Kinetic energy depends on an object’s motion; potential energy hinges on its position. The relationship between the two sits in a special balance.
By Trisha Muro -
Physics
Does the size of a parachute matter?
How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.
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Tech
New robot can pick up a single drop of liquid
The new device, which looks like a pair of plastic pinchers, is the first to be able to pick up individual droplets of liquid.
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Materials Science
Scientists Say: Hydrogel
Tangled polymer chains help hydrogels hold their shape despite being full of water.