Interesting Engineering on MSN22h
New streetlight coating reflects 95% light and lets 80% infrared heat escape
Interestingly, the result showcased that the material allows over 80% of the infrared light to escape upwards, cooling the LED. Simultaneously, it reflects more than 95% of the visible light downwards ...
Evidence Grows That Dark Energy Changes Over Time
The latest Dark Energy Spectroscopic Instrument results fall short of the discovery threshold but strengthen evidence for ...