【實用教育app】Sundial Experiments|最夯免費app

Good for Learning about Shadows around you.

SunDial Experiments include:

-Current Sundial (2D & 3D)

-SunDials in around the globe at Other Times

-Sun Rise and Set times for Solstice and Equinox

-How To:

use Sun as a Compass

use Compass as a Clock

-Historical information about SunDials/Stonehenge

-Compass

-Protractor for measuring your own angles

uses Three-js, SVG-canvas

has web-site: http://tinyurl.com/sundial-experiments

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