Some of these inventions from 150 years ago were very successful; others were hampered by a lack of understanding of real-world conditions or basic science.
Image: Scientific American, July 26, 1862
Some of these inventions from a century and a half ago were very successful, and some were limited by a lack of understanding of real-world conditions (such as basic science, feasibility or cost) or an overestimation of their utility.
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Deadline: Aug 31 2013
Reward: $100,000 USD
The Geoffrey Beene Foundation Alzheimer’s Initiative (GBFAI) is launching the 2013 Geoffrey Beene Global NeuroDiscovery Challenge whose
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
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