The random anti-laser
The laser is the perfect light source—as long as it is provided with energy, it generates light of a specific, well-defined colour. However, it is also possible to create its opposite—an object that perfectly absorbs ...
The laser is the perfect light source—as long as it is provided with energy, it generates light of a specific, well-defined colour. However, it is also possible to create its opposite—an object that perfectly absorbs ...
Optics & Photonics
Mar 5, 2019
0
101
NASA's 4-year-old atmosphere-sniffing Mars Atmosphere and Volatile Evolution (MAVEN) mission is embarking on a new campaign today to tighten its orbit around Mars. The operation will reduce the highest point of the MAVEN ...
Space Exploration
Feb 11, 2019
2
77
For many of us, when we send a text or make a call from our cell phones, we're relying on 4G. Though for as much as we rely on it, very few of us know what it actually means. In reality, the "G" in these terms only stands ...
Telecom
Jan 30, 2019
1
18
The piezoelectric materials that inhabit everything from our cell phones to musical greeting cards may be getting an upgrade thanks to work discussed in the journal Nature Materials released online Jan 21.
Materials Science
Jan 21, 2019
2
2010
A federal judge in Oakland ruled that law enforcement agencies cannot force people to use biometric features such as facial-recognition to unlock their phones and other devices in a case that highlights the fight between ...
Security
Jan 18, 2019
0
17
Imagine how much you could accomplish if the circuits in your laptop and cell phone worked 10 times faster, and your battery lasted 10 times longer, than they do now.
General Physics
Jan 18, 2019
0
14
A consumers' group says an Italian tribunal has ordered a public information campaign about the possible health risks of cellular and cordless phones.
Consumer & Gadgets
Jan 16, 2019
0
2
A June 2018 decision rendered by the Supreme Court of the United States established an interesting principle on digital privacy in a case related to a criminal proceeding.
Consumer & Gadgets
Jan 15, 2019
0
9
Researchers from Binghamton University, State University of New York have developed a way to make cell phones and power lines more durable.
General Physics
Jan 3, 2019
0
106
A list of 26 ways that AI can contribute to education shows that distance learning is one of the most promising avenues for the application of AI in the field of education. This type of learning focuses on the mobility of ...
Education
Dec 5, 2018
0
11