OK, you have 1000 m^2 to blacken. Are ya gonna use a gazillion laser femtosecond pulses or slop on Martin Black?

http://www.electro-optical.com/bb_rad/emissivity/matlemisivty.htm


Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz3.pdf