Houseplants can be a bit farther since many of our favorite houseplants like dappled or weaker light, but within two feet is ...

When the venerable Bill Klages last left the pages of TV Technology, he was discussing some mathematical esoterica regarding inverse square law and I was a bit inspired to pick up, somewhat, from ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Inverse Square Law of Illumination has been with us for so long and is commonly taken for ...

As the distance from a point source of radiation increases, the irradiance decreases. The relationship between irradiance, \(I\), and distance, \(d\), can be shown to follow an inverse square law.

Gravity is the weakest of the fundamental forces, but it’s the only force that operates over very long distances. Hence, planets orbit stars, stars form galaxies, and galaxies cluster. Gravity also ...

One of the things we often just accept about the world is that physical effects get weaker the farther away we get from them. Light sources appear dimmer, the gravitational force gets weaker, magnets ...