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75% of the Earth’s surface is water., but that only scratches the surface, as Robert dives into this deep subject.




Science Videos
Thanks very much for these wonder-filled videos! Your ingenious attention to detail, the wit and the humor is GREAT!
Keep on keeping on!
Ilona Greeff and her 3 kids, homeschoolers, South Africa
????
I was wondering, why does HOT water get cloudy and cold water from the same source does not.??????
Thanks, L. Albers
RE: ????
I'm not sure what you are asking. Do you mean water from the faucet?
Yes
Yeah, faucet water. Like in a pot or something. I noticed it when I filled up a metal bowl in the sink.
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