The Science of See-through Sand - S3.E2
He cooks, looks, hits, breaks and bends... glass. See some glass over 3,000 years old, a teardrop that goes with a bang and a singer who has a smashing time. Meanwhile, see if you can see through this one. Divide a clock face with two straight lines so that the numbers in each part are equal.
The Science of See-through Sand - S3.E2
September 17, 1980
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