Physics
Here’s how to levitate something without magic
Levitation may seem like fantasy. But all it takes is a little physics — and sound waves, magnetism or electricity.
Tech
More Stories in Tech
- Artificial Intelligence
5 things to remember when talking to a chatbot
When using ChatGPT or other chatbots, remember your voice matters and watch out for flattery and hallucinations. And for important advice, ask real people.
- Health & Medicine
A little shape-up helps these pimple patches get a grip
These zit patches use some innovative geometry to anchor onto skin. This solves one problem that’s hindered other uses of microneedles for drug delivery.
- Tech
A modified glue gun squirts a material to help heal broken bones
The handheld printer might someday apply bone-repair patches directly onto fractures — complete with antibiotics to prevent infection.
- Chemistry
Let’s learn about surprising uses for human waste
Around the world, scientists are investigating ways to turn poop and pee into fertilizer, fuel and construction materials.
- Artificial Intelligence
AI shouldn’t be trusted with your mental health, teen finds
Her research suggests that ChatGPT and similar AI systems are not suitable replacements for human therapists.
- Materials Science
Spooky! Grooved surface sends ice sailing — no outside push needed
Boulders that have mysteriously moved across Death Valley’s landscape inspired the work. The new surface can slingshot ice in a chosen direction.
- Humans
Scientists Say: Artifact
Take note: This term might describe ancient pottery shards in the field of archeology. But in statistics, it’s a misleading pattern in data.
- Animals
Ripple bugs’ frilly feet inspired a water-striding robot
The insects’ nimble movements on the surface of water inspired a robot with automatically unfurling fans on its feet.
- Health & Medicine
Floss delivers flu vaccine to mice needle-free
The creative solution may one day allow people to vaccinate themselves — no injection needed.
