The PopSci Predictions Exchange

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General PPX Discussion
The place for general discussion of the exchange.
16925326 hours 57 min ago
by Milkweed110
Technical Support and Exchange Help
Post all your questions about using the exchange here
15311241 day 39 min ago
by napkinG
Consumer Tech & Entertainment
Discuss propositions in this category here
556061 day 28 min ago
by dane
Military, Aviation & Space
Discuss propositions in this category here
2746210 hours 47 min ago
by napkinG
Extreme Science
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13997 hours 30 min ago
by kcondon
Energy and the Environment
Discuss propositions in this category here
404493 hours 13 min ago
by Jerad2
Web Trends
Discuss propositions in this category here
222602 weeks 2 days ago
by Kubie
Automotive Tech
Discuss propositions in this category here
121053 days 9 hours ago
by bstadiem

POPSCI'S 21ST ANNUAL BEST OF WHAT'S NEW


Every year, PopSci honors the top 100 innovations in categories such as consumer products, medical tech and engineering.

Learn more and submit your product or technology today at popsci.com/enter.

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Current theme: Science Close Up

PPX: The PopSci Predictions Exchange

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New IPO

  • NASA Launches Mission

    Will NASA successfully launch STS-125, the Hubble servicing mission, by the end of October?

Hot Stocks

  • China's Gold Medals

    Will China beat the United States for total medals in the Beijing Olympics?

  • NASA Launches Mission

    Will NASA successfully launch STS-125, the Hubble servicing mission, by the end of October?

Ready to bet on the future? Start here!

Subscribe for 2 free issues!

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