We may receive a commission on purchases made from links. How many people do you know who are both artists and scientists? Unfortunately, the ability to make sense of online product reviews has become ...

Right angle prism is the most widely used prisms. It utilizes the inherent total internal reflection (TIR) at the hypotenuse to invert the image and achieve a 90° change in direction. This produces a ...

The drill is perhaps the most recognizable tool in any brand's catalog of gear, and everyone who uses power tools as part of their livelihood will have one, or perhaps many, on hand. However, not all ...

Has anyone seen the NASA picture of Mars at Atoko Point? While everyone else was looking at the white rock, I found something below that is of more interest. While right angles can be common on ...