Laser speckle contrast imaging (LSCI) and imaging photoplethysmography (IPPG) are two simple, contact-free, camera-based ways to analyse cerebral ...

Political violence has become illegible, and increasingly, politics and language have too.

The rayograph has been long admired but largely misunderstood. This important retrospective gives Man Ray’s eponymous ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and ...

Properties that remain unchanged when materials are stretched or bent, which are broadly referred to as topological ...

Disclaimer: neither I nor Ruwan Bandujeewa know of a Nandani Warusavithana. If such a person does exist, please note that ...

At senior official levels, one sometimes gets into positions where choices become difficult because they could violate one’s ...

Now, during this scheduled time of rumination, I want to share my immense gratitude for The A.V. Club staff and readers, who ...

Samsung's new Freestyle Plus portable projector fixes washed-out movies with double the brightness and AI-powered calibration.

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model.

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...