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Google Gadgets allows Webmasters (and bloggers) to include cool interactive stuff on a Web page.

You just find the gadget you want, copy its code, and drop it into your Web page (or blog post – but make sure you are editing the HTML and not using the WYSIWYG editor or it will mess up).

Here are some of the more mathematical gadgets that I found…

The date and time is taken from your computer’s system settings.

Here’s a nice geometric clock:

In June, the sun is directly overhead the equator, so there is 12 hours of day and 12 hours of night. In September, the sun has “moved” to sit over the Tropic of Cancer, where the equinox (equal day, equal night will occur.) In December, it is once again over the equator, and then in March, it is overhead the Tropic of Capricorn in the southern hemisphere.

Here is some simple arithmetic practice.

Sudoku, anyone?

And here’s some pictures from NASA to round up the collection:

That link again: Google Gadgets.

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