Scientists have recently discovered an interaction between an electromagnetic wave and its own magnetic component as it ...

Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

A new mechanism steers diodes made of a single enantiomer to emit light of right- and left-handed polarizations ...

Dark matter is an elusive type of matter that does not emit, reflect or absorb light, yet is estimated to account for most of ...

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may ...

Microscopic fibers secretly shape how every organ in the body works, yet they’ve been notoriously hard to study—until now. A new imaging technique called ComSLI reveals hidden fiber orientations in ...

In a new leap for neurobiology and bioelectronics, Northwestern University scientists have developed a wireless device that ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...