Animals see the world in different colours than humans – new camera reveals what this looks like

Humans can’t see ultraviolet light – but lots of other animals can.

Daniel Hanley, Assistant Professor, George Mason University • conversation
Jan. 25, 2024 • ~7 min

Curious Kids: can our brains sense electromagnetic waves?

Your brains can perceive some electromagnetic waves – but not without your body’s help.

Damian Cruse, Associate Professor in the School of Psychology, University of Birmingham • conversation
July 14, 2023 • ~6 min

How 5G puts airplanes at risk – an electrical engineer explains

Airplanes use radio waves to determine how far off the ground they are. New 5G cellphone services come close to the same frequencies the airplanes use. Here’s how that can be a problem.

Prasenjit Mitra, Professor of Information Sciences and Technology, Penn State • conversation
Jan. 25, 2022 • ~6 min

How does Wi-Fi work? An electrical engineer explains

Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.

Bhaskar Krishnamachari, Professor of Electrical Engineering, University of Southern California • conversation
Jan. 12, 2021 • ~5 min

New laser hits mark on cancer imaging to airport security

Harvard researchers have developed a totally new type of laser that can reach terahertz frequencies offering short-range, high-bandwidth wireless communications, very-high-resolution radar, and spectroscopy.

Leah Burrows • harvard
Nov. 15, 2019 • ~7 min

/

1