Energy technology refers to the field of study related to energy and corresponding technology.

Edison and Tesla Were Enemies

Did Edison Invent Anything?

Nicola Tesla and Thomas Edison were rivals, not enemies. Tesla and Edison butted heads publicly, but generally respected each other.

LED is a New Technology

The first light-emitting diode (LED) was created in 1927, but LED technology wasn’t mass-marketed or mass-produced until the 1990’s.

Light Can Affect Mood

Light Can Affect Mood

Exposure to light in moderation, especially natural sunlight, can have an uplifting effect on mood, while excessive darkness can have the opposite effect.

The U.S. is Connected By One Power Grid

The U.S. is connected by one power grid consisting of three interconnected grids: the Eastern Grid, the Western Grid, and the Texas (ERCOT) Grid.

People Have Always Slept Through the Night

Did people always sleep through the night?

Artificial light changed sleeping habits. People used to sleep in two phases, “first sleep” and “second sleep”, with two hours of awake time between.