20th c. Canvas Mining Cap & Lamp Bracket Before 1850, miners would use candles or small lamps that were hung from crevices or hammered into timbers near their work. From 1850 until around 1915, ...

[Nick Electronics] shows us how its done with his neat little volumetric lamp build. The concept is simple. [Nick] built a little device to spin a little rectangular array of LEDs. A small motor ...

A smaller lamp needs to be closer to your face and set so it's at your eye level. You might need to spend up to an hour each day using a small SAD light, but just half that with a larger lamp.

20th c. Canvas Mining Cap & Lamp Bracket Before 1850, miners would use candles or small lamps that were hung from crevices or hammered into timbers near their work. From 1850 until around 1915, ...