Cool things on the internet that people don't know about.

[Gorkamorka]

I'll Start

Here is NASA life satellite image stream of our planet ( https://worldview.earthdata.nasa.gov/ ) . It's two images of every spot on earth every day.   Want to see what the view over Iceland on the 12th of Augustus 2013 ?  It was like this ( http://go.nasa.gov/1NiTQk6 ).  DO you want more detail ?  Then go here ( http://lance-modis.eosdis.nasa.gov/cgi-bin/imagery/realtime.cgi )

It's also free to use for most purposes ( http://www.nasa.gov/multimedia/guidelines/index.html )

What else is out there on the internet that I need to see ?

[HapexIndustries]

This is an oldy but a goody, it is an interactive Scale of the Universe, allowing users to put into perspective, say, the difference between an earthworm, a hydrogen atom, and a neutron star.

http://scaleofuniverse.com/


On the other end of the spectrum, here is the wiki for the Flat Earth Society.  Ohohoho.

http://www.theflatearthsociety.org/tiki/tiki-index.

[Alethea]

Along the lines of the Scale of the Universe, how about a visualizer of the Solar System: https://janus.astro.umd.edu/SolarSystems/

Crowd Funding for science experiments: https://experiment.com/
A prepper's compendium: http://www.survivorlibrary.com/?page_id=1014
The Apollo photo archive: https://www.flickr.com/photos/projectapolloarchive/

[pigsinspaces]

Related to the Scale of the Universe is another very old piece about the power of 10. I seem to recall that Feynman was involved (but I am a bit foggy about it).

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[Alethea]

An archive of wax cylinder recordings, 10K of which have already been digitized: http://cylinders.library.ucsb.edu/index.php
Lots of sound for the public domain 

Edited to add the OSS Simple Sabotoge Field Manual: https://www.cia.gov/news-information/featured-story-archive/2012-featured-story-archive/CleanedUOSSSimpleSabotage_sm.pdf