According to this article, tiny charged particles could reveal the location of a perfect invisibility cloak:
http://www.sciencenews.org/view/generic ... fect_cloak (http://www.sciencenews.org/view/generic/id/50418/title/Chink_found_in_armor_of_perfect_cloak)
So you better watch out, Harry Potter!

*Harry Potter puts on cloak, goes to turn Richard Dawkin's into a frog*
*Dawkin's takes out magic b gone device and sees Potter, proceeds to beat him with an aluminum bat, Science 284587037407401934 Magic/Skydaddy 0
So now we can prove that the pink unicorn is invisible? Excellent.
:hail: :hail: :hail: :hail: :hail: :hail:
Quote from: "AlP"So now we can prove that the pink unicorn is invisible? Excellent.
Hopefully I'm the first to say DUH!!!