Tech
A shape-shifting robotic tooth-cleaner might one day brush for you
A swarm of billions of magnetic, bacteria-killing nanoparticles can be shaped into bristles to fit any surface, including between teeth.
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SpaceNASA’s DART spacecraft successfully bumped an asteroid onto a new path
The spacecraft’s intentional crash into an asteroid changed the space rock’s orbit by more than 30 minutes — far more than expected.
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TechCan computers think? Why this is proving so hard to answer
In 1950, Alan Turing proposed a test to tell a human from a computer. Today, that Turing test may tell us more about ourselves than about machines.
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SpaceNASA’s DART spacecraft crashed into an asteroid — on purpose
This mission could provide a blueprint for how to deflect a killer asteroid, if one is ever found headed for Earth.
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SpaceScientists Say: Telescope
Almost everything we know about the universe around us, we know thanks to telescopes.
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TechNo trees were harmed to 3-D print this piece of wood
How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.
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TechWelcome to the metaverse
The idea of the metaverse comes from science fiction. But technology could make such immersive virtual worlds a reality.
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TechScientists Say: LED
LEDs, or light-emitting diodes, light up TV screens, traffic lights and many other devices used in daily life.
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TechNew stick-on ‘sonar’ device lets you watch your own heart beat
This wearable patch might one day make personalized medicine affordable almost anywhere in the world.
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TechThis leaping robot can out-jump anything — animal or machine
Such a bounding bot might someday help explore the moon.