Lazer Pen 〈RECOMMENDED〉

Laser pens come in various colors, each with different properties:

: When electricity hits the diode, it excites electrons, which release photons (light particles). lazer pen

: Appears much brighter to the human eye because our vision is most sensitive to the green spectrum. These are popular for stargazing as the beam is often visible in the air. Laser pens come in various colors, each with

: Typically AAA or lithium-ion batteries that provide the electrical energy. Laser pens come in various colors