I think it was mentioned earlier, but one pilot saw an intense white flash, extending vertically to the ground and lasting around 6 seconds, at the time the plane disappeared. Positive Lightning?
Hi there,
I need to prove to an architect that the most economical and efficient way to cool our server room will be with an Airconditioner.
At present we have a system which is supposed to recycle the warm air downstairs suring winter and Outside during summer, only it doesn't draw nearly...