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January 14, 2021 Archives
Thursday, January 14, 2021
TRACKING WITH CLOSEUPS: LED Lamps from Dubai: They Leave the West Behind
Only sold in Dubai: Philips LED lamps that use more LED chips running at lower current, resulting in greater efficiency (light output per electrical power consumed) and much longer life. The initial cost is higher, but the longer life will probably more than recover this. There's an internal voltage regulator which keeps the lamps from dimming or brightening when the mains voltage varies (but means they won't work with dimmers).
Posted at
15:55
THE HAPPENING WORLD: Blue Origin NS-14 Suborbital Launch
The live Webcast is scheduled to begin at 15:15 UTC on 2021-01-14, with launch scheduled for 15:45 UTC. These launch times have frequently been delayed in the past.
Posted at
12:02
THE HAPPENING WORLD: SpaceX Starship SN9 Performs Three Static Firings in One Day
Posted at
11:57