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07:50 Technology Sending a sundial to Mars - Bill Nye Lesson duration 07:50 Manage Library 93,861 Views
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03:26 Physical Science Describing the invisible properties of gas Lesson duration 03:26 Manage Library 169,489 Views
02:50 Physical Science The ABC's of gas: Avogadro, Boyle, Charles Lesson duration 02:50 Manage Library 198,743 Views
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04:46 Physical Science Magical metals, how shape memory alloys work Lesson duration 04:46 Manage Library 145,126 Views
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04:33 Physical Science How big is a mole? (Not the animal, the other one.) Lesson duration 04:33 Manage Library 2,421,037 Views
04:39 Numbers & Operations An introduction to mathematical theorems Lesson duration 04:39 Manage Library 487,620 Views
03:01 Measurement How taking a bath led to Archimedes’ Principle Lesson duration 03:01 Manage Library 1,577,699 Views