Tech
- Physics
How to chill an object by sending its heat into space
Researchers have designed a device that can cool an object by radiating its energy into outer space. Think of it as a solar panel in reverse.
- Tech
Magnets may one day cull deadly germs from blood
A new technique for slowing the deadly condition called sepsis would use tiny iron particles and magnets.
- Computing
When your stuff spies on you
More ordinary objects are going online. These make up the Internet of Things. But as they collect data about you and your world, they also bring security risks.
- Tech
How to spin synthetic spider silk
A new method for spinning artificial spider silk combines parts of proteins from two species and mimics what happens in a spider’s silk-forming gland.
- Computing
The Internet of Things wants to link all facets of our world
The Internet of Things means everyday objects are becoming computers. Can people harness this technology to make the world better?
- 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.
