More vaguely-informative ramblings about low pressure sodium lamps
13:54
The High Pressure Sodium Light: Ubiquitous, effective, but good?
30:48
Pressure lamps: gaslighting on the go
18:15
So... the minute hand shows progression — apparently we think of time in wildly different ways
18:05
Light sucking flames look like magic
21:40
The LED's Challenge to High Pressure Sodium
20:55
Tamper-resistant outlets aren't all the same - a follow-up
12:03
THIS LAMP SOXs! "Yellow" tech of bright metal vapor lamp. Beats modern LEDs in brightness per watt?
21:29