Mad-science
04:03
00:30
00:15
11:28
1:11:05
12:52
04:34
09:49
Alkali
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10:02
02:06
17:52
06:05
The 2011 Google Science Fair
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20:30
10:07
Viaggi nel tempo
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10:14
Pt 9. "How to find somet
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10:12
Pt 8. "How to find somet
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09:32
Pt 7. "How to find somet
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10:02
Pt 6. "How to find somet
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10:01
Pt 5. "How to find somet
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09:59
Pt 4. "How to find somet
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10:12
Pt 3. "How to find somet
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10:38
Pt 2. "How to find somet
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09:57
Pt 1. "How to find somet
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03:15
10:17
Cold fusion
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01:52
1:08:08
42:48
01:53
00:44
12:21
AcademicRapp.wmv
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03:39
The Phosphorus Cycle
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02:31
01:50