Tech
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Materials ScienceLet’s learn about piezoelectric materials
Piezoelectric materials turn mechanical energy into electrical energy — and vice versa.
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ComputingA 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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ComputingScientists Say: Code
Writing code allows people to tell computers and other smart devices what to do.
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PhysicsIn 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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ComputingSleep helps AI models learn new things without forgetting old ones
Breaks in training meant to mimic human sleep helped artificial intelligence learn multiple tasks.
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TechThink twice before using ChatGPT for help with homework
ChatGPT is a new AI tool that generates well-formed writing and code. Despite many benefits, it makes cheating easy and can supply bad information.
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TechNew 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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TechCan a robot ever become your friend?
Social robots can teach, help and keep people company. What would it take for machines to form real friendships with people? And do we even want that?
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TechInsect-inspired drones work together to 3-D print structures
For the first time, flying drones have 3-D printed structures. In the future, such drones might be able to build in hard-to-reach places.
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TechUnderwater cameras get a new power source — sound!
Needing no batteries, a new digital camera can run almost continuously to offer new, deeper insights into the ocean world.
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ComputingScientists Say: Artificial intelligence
Artificial intelligence is technology smart enough to do tasks that would normally require human brainpower.
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TechWill the internet soon reach the one-third of people without it?
Access to the internet is a human right, yet much of the world can’t get online. New tech has to be affordable and usable to end this digital divide.