Tech
- Physics
Wireless devices crowd out cosmic radio signals and more
Cell phones and other devices emit radio waves that can interfere with important scientific research. That’s why researchers are seeking ways to share the radio spectrum.
- Tech
Robots may soon actively crawl through your gut
Doctors are working with engineers to develop robotic tools that can crawl through the body to deliver medicine or scout for signs of disease.
- Health & Medicine
Scientists Say: CT scan
Short for computerized tomography, this technique lets scientists and doctors see insides in detail.
- Tech
Human cells form the basis of this artificial eye
Real or fake — you be the judge. Human cells were used to create this test bed for studying both the eye and eye-disease therapies.
- Space
Preparing for that trip to Mars
These scientists are working to make a human mission to Mars a reality.
- Tech
In bobsledding, what the toes do can affect who gets the gold
South Korean scientists have been developing shoes that could give their national bobsled team an advantage at the Olympics.
- Tech
How to tell if a drone is stalking you
Is a drone surveilling you? Scientists have figured out a way to tell when it’s streaming video of you or your home.
- Computing
Scientists Say: Ampere
An ampere is a unit of electric current. It’s a base unit, meaning it’s one on which all electrical calculations are based.
- Tech
This hydropower harnesses energy one water drop at a time
A single drop of water sliding across a surface can light up 15 LEDs. This charging by friction is due to what’s known as the triboelectric effect.
- Computing
Smartphones put your privacy at risk
Smartphones have become essential companions. But they can leak data about you. In fact, the potential for invading your privacy is higher than you might think.
- Computing
How to stop phone apps from spying on you
Many apps — especially free ones — collect data on a user and then sell them to advertisers. A new tool can help monitor that misuse of personal data and beef up privacy protection.
- Agriculture
Robots will control everything you eat
Robots are now being introduced into all phases of how food is grown and prepared. In the future, though, they will be common.
