Tech
- Computing
How to build computer chips only 3 atoms thick
Scientists have engineered an ultrathin material only three atoms thick. The material could be used to make extremely slender computer chips.
- Physics
Explainer: How batteries and capacitors differ
Both batteries and capacitors can power electronic devices. Each, however, has different properties which may provide benefits — or limitations.
- Tech
Build the drone of your dreams
Drone fans can now use new computer software to design and ‘test’ their own customized flying machines before putting time and money into building them.
- Computing
LEDs offer new way to kill germs in water
Growing ultraviolet-light-emitting diodes on thin, flexible sheets of metal holds promise for water disinfection and other applications.
- Tech
Speedy, springy robot ‘Salto’ catches some serious air
A lightweight robot nicknamed “Salto” can bound from floor to wall and back. Such fast and agile bots may someday aid in search-and-rescue operations.
- Computing
Computer hackers take to the cloud
People use cloud computing for storing files online. A new study shows the dark side of the cloud: These services can harbor malware.
- Physics
Wind power gets downsized — but in a good way
Two young scientists have developed ways to tap into wind power on a small scale.
- Tech
Fingers leave tell-tale clues about you on your phone
Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.
- Math
Cool Jobs: Motion by the numbers
What do car crash testers, video game creators and scientists who study athletic performance have in common? All use geometry in their cool jobs.
- Computing
Two numbers set a record — and not just for being book length
Twin primes are prime numbers that differ by just 2. The largest known twins have just been discovered — each 388,342 digits long!
- 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.
- Tech
Implant traps cancer cells on the move
A device implanted under the skin extended the life of mice with breast cancer. It trapped injected cancer cells before they created tumors in organs throughout the body.
