The Golden Record, a message to Extra-terrestrials

http://www.vox.com/2015/11/11/9702090/voyager-golden-record-pictures

The records are mounted on the outside of Voyager 1 and Voyager 2 and protected by an aluminum case. Etched on the cover of that case are symbols explaining how to decode the record.

Put yourself in an extraterrestrial’s shoes and try to guess what the etchings seek to communicate. Stumped? Hover over or click on the yellow circles for the intended meaning of these interstellar brain teasers:

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Histography

http://histography.io/

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“Histography” is interactive timeline that spans across 14 billion years of history, from the Big Bang to 2015.

The site draws historical events from Wikipedia and self-updates daily with new recorded events.

The interface allows for users to view between decades to millions of years.