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The Stanford solar car. It won the stock category (for solar cars built out of standard parts) in the collegiate solar challenge. It can go up to 75 mph.
Stanford solar car
Dan Levy, who worked for years in Silicon Valley as a marketing exec, doesn't ski and used to get incredibly bored on family ski vacations. So he started Captain Avalanche, which specializes in high-tech sleds. The sleds can go up to 50 mph and make sharper turns than normal sleds. The sleds come with a foot brake, too. Ultimately, the price should come down to around $149 to $199, he said.