Alexa Skills May Have Privacy and Security Risks
Skills are what Amazon calls programs that run on their popular voice-activated assistant called Alexa. People can buy these skills on skills stores, just like you can buy apps for...
Technology
Hormones Can Be Released by Remote Control Using Magnetic Nanoparticles
MIT researchers can release hormones like adrenaline and cortisol from the adrenal gland by using magnetic nanoparticles. These hormones are linked to a variety of mental health disorders, including depression...
Laser Treatment Could Turn Metal Surfaces Into Rapid Bacteria Killer
Researchers have used laser treatment to alter the surface of copper and make it a rapid bacteria killer. The technique could potentially turn any metal surface into a rapid bacteria...
Astronauts’ Pee May Be Used to Build Moon Bases in the Future
The urea in astronauts’ urine can act as a plasticizer for the concrete used to build moon base structures. Researchers at NASA, the European Space Agency (ESA) and its Chinese...
Tiny Gyroscope 10,000 Times More Accurate Than One in Your Smartphone
Researchers have developed a tiny gyroscope that is 10,000 times more accurate than the one in your smartphone. When devices like your smartphone lose a GPS signal, a gyroscope is...
Device Use Sound Waves to Detect Cancer Invasion
Scientists have designed a device that uses sound waves to detect cancer invasion. The device sends sound waves through the structure surrounding cells called the extracellular matrix. The stiffness of...
New Flat Lens Makes Focus-Free Cameras Possible
Researchers have developed a camera that does not require focusing by using an ultra-thin single flat lens. The lens is about one-thousandth of an inch thick. The researchers said this...
New Chip With Built-In Neural Net Can Recognize Images in Nanoseconds
A new sensor chip a with built-in learning neural network can be trained to recognize images in nanoseconds. The chip was developed by researchers at the Vienna University of Technology....