Space really coldSunreally hot if we're near it and kills us???How can the sun be so hot and when space is cold.I know this question has been asked,but how can we feel the heat of the sun in space?
When I was a kid I wore to long gi figuring that I'd grow into it so no point wasting money on gi I'd soon grow out of anyway. But I think adults should wear proper gi with respect to the art.
I've seen lens' of orange and green it is a UV and anti-reflective coating. A classic lens-coating material is magnesium fluoride; it reduces reflections from 5% to 1%. Modern lens coatings consist of complex multi-layers and reflect only 0.25% or less to yield an image with maximum brightness and natural colors.