Name: Episode 6: Crystal Cloudy
Uploaded: 2012-10-23T11:16:11Z
Duration: 3 min 41 s
Description: Dr. John Dolhun declares a winner in the crystal growing competition. But another student disagrees and issues a challenge! You can also view this video on TechTV.

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Dr. John Dolhun declares a winner in the crystal growing competition. But another student disagrees and issues a challenge!

You can also view this video on TechTV.