I recorded building the set.
"Pamgaea" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/
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https://www.youtube.com/watch?v=8PLx01lCfcE
This is a brief video on cutting cardboard on the edge versus in the centre to optimize the use of the materials for various projects.
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https://www.youtube.com/watch?v=gho-9Hua0nE
I heated a can with 1 tablespoon of water and quickly put it upside into cold water, the remaining air suddenly cooled. As the gas cooled, it lost kinetic energy which results in a lower pressure inside the can. Because the air inside the can was lower than the outside, it imploded.
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https://www.youtube.com/watch?v=DP9Fdb-KYcY
Participants were given a challenge two weeks ago (March 6/2007). From 20 popcicle sticks, 2 elastic bands and no use of any glue (except at the end when the launcher was attached to a board) they had to create a launcher that would propel a stale marshmallow 5 ft into a goal. Lots of fun. Usable in a classroom.
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https://www.youtube.com/watch?v=cDnsIl37llA
Model of DNA using LEGO. Parts are currently available in the pick-a-brick. I torqued the 1x1s resulting in a slight twist and angle. Overall a nice result.
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https://www.youtube.com/watch?v=wzVOZ4GcQ_c