4 ms·
Device generates light from the cold night sky
- Someone 7y agoFor those wondering: they’re talking of 25 milliwatts of energy per square meter, so the (theoretical) 20 times increase would be half a Watt per square meter (source: https://cosmosmagazine.com/physics/seductive-light-from-the-dark-side https://cosmosmagazine.com/physics/seductive-light-from-the-...)