Laser pointer

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot. The beam may be focused with lenses.

Excerpt from the Wikipedia article “Laser pointer”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: 彭家杰, CC BY-SA 3.0, via Wikimedia Commons.