Now go outside and look at the sky.
The Maker Movement
An unexpected effect of the Internet has been the Maker Movement. Forums, blogs and magazines have sprung up everywhere for people to share all the things that they make and how they make them.
There's not very much that is not made by somebody who shares their knowledge online, from suborbital balloon satellites to knitting patterns, it's all out there. I sometimes spend hours fascinated by the blog of a maker where they do the most extraordinary craft - and even while I know I will never do it myself, it is just plain fascinating to see how these things are done.
And now with the many video sharing sites, we can not just read about it - we can watch it being done! Here's one of the more amazing videos in that genre - a gentleman in France who makes working vacuum tubes from scratch...