Quantcast

Latest Jeff Tsao Stories

More Efficient Lighting Increased More Light Consumption
2012-08-06 18:17:38

Two researchers have reprised in the journal Energy Policy their groundbreaking finding that improvements in lighting — from candles to gas lamps to electric bulbs — historically have led to increased light consumption rather than lower overall energy use by society.

Image 1 - Four-color Laser Source Produces High-quality White Light
2011-10-27 04:57:44

Tests show new kid on block – diode lasers – eventually could challenge LEDs for home and industrial lighting supremacy.


Word of the Day
gawf
  • In costermongers' slang, a cheap red-skinned apple, which is rubbed hard with a cloth to give it the appearance and feeling of an apple of superior quality.
The origin of the word 'gawf' is obscure, but may come from the phrase 'go for more'.