Three PPX propositions had an end date over the holiday weekend, and none of their criteria were met—all were delisted at POP$0:

  • TRANSF: This prop's bargain basement price (rarely did it top POP$1 in the last few weeks) was an indication that it was doomed to fail. Both Spiderman 3 and Shrek the Third has larger U.S. grosses this summer.
  • HIGAS: At the beginning of the summer, it seemed like we were headed toward this prop's projected $3.50 mark for an average gallon of gas in the U.S. But since its peak at $3.18 in mid-May, abundant supplies of crude oil have kept prices down. The latest Lundberg survey, on August 24, put the average at $2.75 per gallon. HIGAS was halted with a value of POP$33.50, indicating some held on to the bitter end.
  • SUBPC: Apple's focus on the iPhone apparently left little time for developing a rumored ultra-mobile sub-notebook. The prop was halted at POP$25.75. The rumor mills are blazing with news of a touchscreen iPod, though. Will it happen?

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June 2012: Invent Your Own Anything

The 6th annual Invention Awards are here, from an inflatable tourniquet to a better lobster trap to spring-loaded hocket skates. This issue is all about the celebration of invention.

Plus: Making synthetic biology breakthroughs in a garage, building a constantly-moving ping-pong table, and a ridiculously overpowered barbecue.

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