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Find out here >> How Does Homeopathy Work?.

Quite an interesting site on Homeopathy and how it works. A bit light on depth but still an informative read:)

We’ve partnered with Google to offer our entire 137-year archive for free browsing. Each issue appears just as it did at its original time of publication, complete with period advertisements. And today we're excited to announce you can browse the full archive right here on PopSci.com.

As you will soon see, it’s an amazing resource. Aside from bringing back memories for longtime readers, as a whole the archive beautifully encapsulates over a century of PopSci’s fascination with the future, and science and technology's incredible potential to improve our lives. Tracing our dreams and visions of the future back through time, you’ll see that not a lot has changed. Some things we projected with startling accuracy, and others remain today what they were then–dreams. We hope you enjoy it as much as we do.

In the future, we’ll be adding more advanced features for searching and browsing, so stay tuned.

Search the archives here

via New! Browse the Complete PopSci Archive | Popular Science.

Popular histories too often present perpetual motion machines as “freaks and curiosities” of engineering without telling us just how they were understood at the time. They also fail to inform us that even in the earliest history of science and engineering, many persons were able to see the futility and folly of attempts to achieve perpetual motion.

Sometimes a particular device comes to us with a label, such as “Bishop Wilkins’ magnetic perpetual motion machine.” Popular articles leave the impression that the inventor believed it was a perpetual motion machine. In fact, very often the device was presented and described to illustrate the futility of the quest for perpetual motion.

via http://www.lhup.edu/~dsimanek/museum/people/people.htm.