The great music by John Doyle https://goo.gl/aumSX8 with Duncan Wickel https://goo.gl/M5C8sn
The easiest way I have found to start flying walkalong gliders.
Get thin foam and gliders here https://goo.gl/Y25oyJ
Thanks too to two great science teachers:
Bruce Yeany https://goo.gl/9XF8Hy and
John Biegun https://goo.gl/VDQ6C7
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