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Dan Hanson
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Dan Hanson's resources
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Ellipse_locus033119
Activity
Dan Hanson
parabola_locus2
Activity
Dan Hanson
Trig Identity: Angle Sum
Activity
Dan Hanson
Spherical Aberration Demonstrator
Activity
Dan Hanson
Dan Hanson's favorite resources
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Hyperbolic paraboloid
Activity
Diego Lieban
Electric Fields & Equipotentials
Activity
Tom Walsh
Reflection Property of a Parabolic Mirror
Activity
Wang Muran
special-relativity-length-contraction
Activity
Borut Jurcic Zlobec
