A few years ago, physicists were surprised to learn that stacking and subtly twisting two atomically thin layers of an ...

A grid pattern seen on a global earthquake monitoring platform is caused by data reporting methods, not technological manipulation of La Palma quakes ...

Optical illusion works as a workout for your brain. Today’s optical illusion challenges viewers to find a hidden "44" amidst ...

An optical illusion featuring a grid of purple 'J's hides a single 'L,' challenging viewers to spot it. This brain teaser ...

Sensitivity of the Amsler grid to test for glaucoma improved as glaucoma severity advanced, according to researchers in Ophthalmology. A total of 106 eyes with glaucoma were included in the study ...

A recent review found that the performance of the Amsler grid test was not at a level that was recommended for detecting early or dry age-related macular degeneration (AMD).

The Sarnoff Digital Test Pattern When I was approached about evaluating the Sarnoff Digital Test Pattern, my interest was piqued immediately. After all, it's been a long time since most of us have ...

A helicopter registered to the National Nuclear Security Administration was spotted flying a grid pattern over Red Rock Canyon for hours, raising questions from local residents.

More information: Jakob Bjerager et al, Diagnostic Accuracy of the Amsler Grid Test for Detecting Neovascular Age-Related Macular Degeneration, JAMA Ophthalmology (2023).

A pilot study is meant to find more cost-effective ways to bury power lines, a way to improve electrical grid reliability and resilience to extreme weather.