The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to understand the ...

Upon illumination with a white light source (6600 ± 990 lux), these polymer samples caused lethal photosensitization of both E. coli and S. aureus in 1 and 4 h, ... TEM image and UV–vis spectrum of ...

The paper provides an overview of a real-time spectrum sensing prototype operating in the TV white space. There has been considerable research on the feasibility of spectrum sensing in the TV white ...

It leaves less of a white cast than most physical sunscreens. ... “Broad spectrum” protection: ... Sun Bum Clear 50 is a light, ...

One valuable tool to help you measure material behavior during deformation and predict production results is digital image ...

Individual ultrasmall CdSe nanocrystals have recently been found to emit white light, but the ultimate origin of the phenomenon has remained elusive. Here we use a combination of state-of-the-art ...

Could Mysterious Black Hole Burps Rewrite Physics?

Dish Network owner EchoStar shares skyrocketed 45% Monday morning on a report that President Donald Trump had intervened to help the satellite TV provider hold onto its valuable spectrum licenses.

Spectrum customers in parts of Los Angeles and Ventura counties lost network access on Sunday, June 15, after at least one person cut service lines in Van Nuys, the company said.

(The Conversation is an independent and nonprofit source of news ... This process causes the white ice caps to grow and shrink in size depending on the Martian seasons. Mars also gives off light in ...

A 2D interaction simulation of four light beams on a plane, with different colors representing different wavelengths combining and one beam being scattered out. (Zhang et al, Commun Phys, 2025) This ...

In his first words directed specifically to Americans, Pope Leo XIV told young people on Saturday how to find hope and meaning in their lives through God and in service to others. “So many ...