Deformable mirror using thermal actuators. Route to DIY adaptive optics for hobbyists? Maybe not, but it is an interesting demonstration project! Greenland's surprising election result What Did A ...

This configuration has a concave primary mirror, while the secondary mirror ... In this design, the “heat radiates out from between the layers,” while the vacuum in between the layers serves ...

It goes without saying that modern medicine would look very different if it hadn’t been for these 15 medical inventions and discoveries of the 1800s.

This results in a virtual image, meaning that although the rays seem to converge behind the mirror, no actual light passes through that point. A concave mirror is a type of spherical mirror ...

Quantum information processing is a field that relies on the entanglement of multiple photons to process vast amounts of information. However, creating multiphoton entanglement is a challenging task.

The interim leader of Bangladesh, Muhammad Yunus, has told Sky News former prime minister Sheikh Hasina will stand trial for crimes against humanity. Ms Hasina is accused of overseeing a system of ...

Citing guidance from the Department of Health (DOH), Go warned about the serious health risks associated with extreme heat, such as heat stroke, heat cramps, and other heat-related illnesses. 0 ...

Heat from the sun affects seismic activity on Earth Incorporating solar activity predictions into detailed Earth temperature models may improve earthquake forecasts Date: March 4, 2025 Source ...

A school has removed all mirrors from its toilets to stop pupils spending too much time in there. William Farr Comprehensive School in Welton, Lincolnshire, removed the mirrors to stop children ...

MANILA, Philippines — In early March 2025, schools began canceling classes again as the scorching heat poses a risk for students and teachers. On days like these, how can you stay safe and cool?

MANILA, Philippines — The Department of Health (DOH) on Monday warned the public about heat-related illnesses amid the state weather bureau’s forecast of “danger” heat index levels in ...

Headteacher Grant Edgar says students often gather in "large groups" in toilets A school has removed all mirrors from its toilets because pupils are spending too much time in them. Grant Edgar ...