An optical illusion is a visual phenomenon in which our perception of an image differs from objective reality. This image is ...

For astrophotographers, there are sufficient manual settings that they can play with to their heart’s content.

The iQOO 15, successor to the powerhouse iQOO 13, is all set to launch in India on November 26 after debuting in China last ...

Permeation tubes and systems that dynamically generate fresh, NIST-traceable gas standards offer significant benefits for ...

Take tape measures, once a palm-sized object that housed a metal ribbon that could snap back enthusiastically -- has been transformed into a palm-sized device with with a laser inside. Yup, the ...

Low-concentration bimatoprost 0.01%/timolol 0.1% eye gel is noninferior to the higher-concentration 0.03%/0.5% eye drops for IOP-lowering.