Powers of Ten
And a more recent similar spin off: https://www.youtube.com/watch?v=CWGWO2thgqw
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8 comments posted so far. Login to add a comment.
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2. Judge-Jake commented 6 years ago
Not sure when this video was made I'm guessing the 1960s or 70's, very well done.
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4. thundersnow commented 6 years ago
#2 seventies
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5. Judge-Jake commented 6 years ago
#5 Thanks Thunders.
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6. thundersnow commented 6 years ago
#5 Anytime, dear JJ
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7. Natan_el_Tigre commented 6 years ago
#2 I remember seeing this at a science center when I was a kid, probably in the early eighties.
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8. Thanny commented 6 years ago
#3 I understand no such thing, because they aren't the same at all.
A double helix does not look like a twisted ladder.
Twisted ladder, which is wrong:
https://cdn.theatlantic.com/static/mt/assets/science/shutterstock_34693498%20copy.jpg
Double helix, which is right:
https://ghr.nlm.nih.gov/primer/illustrations/dnastructure.jpg
A double helix does not look like a twisted ladder.
Twisted ladder, which is wrong:
https://cdn.theatlantic.com/static/mt/assets/science/shutterstock_34693498%20copy.jpg
Double helix, which is right:
https://ghr.nlm.nih.gov/primer/illustrations/dnastructure.jpg
+2 1. Thanny commented 6 years ago
If you take a ladder and make it do a corkscrew pattern, with both sides remaining parallel, then you have a double helix, and the shape of DNA molecules.