Electronics & Semiconductors

New tech can double spectral bandwidth in some 5G systems

Some materials, like wood, are insulators that block the flow of electricity. Conductors, such as copper, allow for electricity to flow through them. Other materials—semiconductors—can be either/or depending on conditions ...

Internet

The modern world is fast becoming a wireless, infrared world

Optics-based technologies such as optical fibers have strongly influenced the age of wired communication. Now they look set to revolutionize wireless communications as well and solve key issues with traditional radio-based ...

Engineering

Commuting in the sky: Flight system tech in demo debut

No potholes, no fender-benders, no middle-finger greetings when you try to pass, no lane closings, no long delays....just travel between cities quickly if done skyward, and for the tired commuters (cut to mighty violins) ...

Engineering

A battery-free sensor for underwater exploration

To investigate the vastly unexplored oceans covering most our planet, researchers aim to build a submerged network of interconnected sensors that send data to the surface—an underwater "internet of things." But how to supply ...

page 3 from 11