3 ms·
What's more interesting is how much energy there is in just that screen's surface area of sunlight. Enough to turn sand molten in under a second. Thinking of ju
by brink 12y ago
What's more interesting is how much energy there is in just that screen's surface area of sunlight. Enough to turn sand molten in under a second. Thinking of just how far away that is from the sun, and how much more surface area there is in a sphere with a radius that size..
- baddox 12y agoI believe you can get around a kilowatt per square meter, obviously depending on latitude, weather, and other factors. That lens looks about like a square meter.
- seiferteric 12y ago*Kilowatt/m^2
- baddox 12y agoYeah, that's the prefix I was looking for.
- huuu 12y agoA laser of 20-100 Watt is enough for Selected Laser Sintering. So a square meter lens for the sun will give you more than ten times the power professional SLS printers are using. That is indeed a lot. Edit: here a nice answer about the heat generated: http://physics.stackexchange.com/a/103039 http://physics.stackexchange.com/a/103039