Just what exactly do you think our current cars are putting out? We are putting hydrocarbons into the fuel tank (H and C) and reacting them with oxygen from the air. Results? CO2 and H20. Okay, there would be more water from hydrogen cars as they can't get any energy from forming up those CO2 molecules, but current exhaust is by no means dry.
Current sunscreens, by contrast, can leave many nanometer-size areas of the skin unprotected. Add all those small, unprotected areas together and you can get a pretty nasty sunburn, no matter how much of the goop you've applied.
Uh, UV light has a wavelength in the range 100 to 400 nm. How is it getting through "nanometer" sized holes? I know, it's probably people just being sloppy with language, but it's still irritating.
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One of the weirdest bits of labeling I have ever seen was a caution that the contests of a bottle were "not non-inflammable".
Just what exactly do you think our current cars are putting out? We are putting hydrocarbons into the fuel tank (H and C) and reacting them with oxygen from the air. Results? CO2 and H20. Okay, there would be more water from hydrogen cars as they can't get any energy from forming up those CO2 molecules, but current exhaust is by no means dry.
"It's friggin' cold in here Mr. Bigglesworth"
Errm, you're going to correct the genes for eyesight and then grow a headless clone?