The FREE online science and technology book
Want to know how your earbuds make music, how telephones squeeze sounds down wires, why broadband is faster than dialup, or how science can make you happy?
You've come to the right place!
Science and technology made simple!
Explain that Stuff is a collection of around 300 completely free,
easy-to-understand articles (and about 1500 photos and artworks), covering how
things work, cutting-edge science, cool gadgets, and computers.
Our mission is to explain things simply and clearly so you understand them completely.
There's more information on this website than in your average expensive science book—and it's all completely free to use!
(Our photos and artworks are also free for you to reuse in school reports, science fair projects,
and for other noncommercial uses under a
Creative Commons license.)
What's on our site
We're adding new articles all the time, so do keep popping back!
If you use RSS, you can use our
articles feed
to find out about new pages as soon as we publish them.
Here's what's on the site so far:
Latest news
This is where we keep you up-to-date with all the latest from the
world of science, technology, space, computing, and gadgets.
If you use RSS, you can use our
news feed
to get our headlines as soon as we publish them.
Sat, 2 May 2009:
Still excited by the future: Why inventor and futurologist Ray Kurzweil remains optimistic about tomorrow's world.
Sat, 2 May 2009:
The wheelchair that reads your mind: New Scientist reports on a chair for the disabled controlled by thought alone.
Fri, 1 May 2009:
Make way for the JWT: NASA is starting to get excited about the James Webb Telescope, the replacement for the Hubble due to launch in 2013.
Fri, 1 May 2009:
Scope it out!: Find out how the new JWT telescope works by playing NASA's scope-it-out game.
Fri, 1 May 2009:
How to win or lose your diet: Your brain is as important as your body says Science magazine, considering the neuropsychology of dieting.
Thu, 30 Apr 2009:
Energy department donates more supercomputer time: The DoE is releasing a whopping 1.3 billion processor hours of supercomputer time to scientists.
Thu, 30 Apr 2009:
The rhythm of birdsong: We all know birds can sing, but now we find they can dance to a beat too.
Wed, 29 Apr 2009:
Coal must stay underground, scientists warn: Most fossil fuels must remain unburned to avoid more serious climate change.
Wed, 29 Apr 2009:
The climate crunch: Nature has a special on climate change and our apparent political inability to get to grips with it.
Wed, 29 Apr 2009:
Are fruit batteries just lemons?: Popular Science takes on bogus YouTubers and tries charging an iPhone with some pennies and apple slices.
More news...
