Diving

Putting Depths to Scale by Trevor

XKCD is a very intelligent comic, and pretty much every post has something to do with science. Every so often there is a large format comic explaining some macro scientific concept. Today's is talking about depths, likely brought about by James Cameron's recent dive. It does a pretty good job explaining how massive the ocean is. Be sure to click the image for an expanded version, and read all the fun facts (a few are jokes, but some good trivia in there!).

For all the diving lovers out there - How to hold your breath like David Blaine by Ryan

If you are like many boaters, diving around to check out fish, ship wrecks, and other underwater curiosities probably gets you excited. If you are looking to shave a couple of bucks off of your boating budget but don't want to sacrifice the underwater scenery, you can try ditching the expensive scuba gear for some serious free diving!

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