What is the size of beams of lasers?

In the early 1900s, the first laser was realized as a potentially dangerous device. Theodore Maiman, in 1905 stated the power of the beam as one Gillette razor blade. It isn’t certain if the beam would be able to burn anyone. Low-power lasers could cause damage to eyesight. They can damage the retina by reflecting […]

how to make a laser pointer

It is possible to learn how to make an laser pointer for yourself. This project isn’t difficult. Laser pointer circuit boards has the circuitry to make it work. It includes the switch as well as laser diode. You’ll need to install these components on the circuit board and then solder them into their place. Soldering […]