It's hard to argue with the protest sign this guy is carrying, unless you're one of those government intelligence types and you're trying to conceal the truth about the existence of time travel technology from the masses.
I wish I could travel back in time to the moment this guy finished making his sign and snatch it up, leaving behind a note which reads "protest noted and acknowledged, have a nice day!"
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http://goo.gl/OkMv3
When do we want it? YESTERDAY!
Photosynthesis is the use of sunlight to convert CO2 into organic compounds (like sugar).
It uses sunlight to accomplish a completely different task - harvesting hydrogen from water. The process is known as photoelectrolysis.
:D :P