การดู
0:21
Simulation UV Light
10:00:01
RED LIGHT THERAPY WHILE YOU SLEEP 10 HRS WITH WHITE NOISE
10:00:49
warm light screen lamp - 10h - (16:9) - NO Sound - a simple screen for 10 hours [screen tools]
9:01
Blackbody Curves and Filters Explorer
1:00:19
[4K] 1 HOUR of LED/RGB COLOR LIGHTS | No Ads | Mood Light (SLOW & SMOOTH)
14:56
Fabrication of a UV LED phosphor solar simulator for next generation solar cells (Senior Design)
