weather Watch lightning strike vehicle and turn on its headlights at Dale Earnhardt Jr.'s parking lot (video) David Pescovitz
inventions Would you use an earthquake-proof bed that drops into a metal chamber and seals you inside it? Jennifer Sandlin
Real things you can actually buy For sale: a private jet from Elvis Presley's collection Rusty Blazenhoff
gadgets You can pay $1000 to block annoying noise, filter out bad air, and look silly wearing Dyson's new gadget David Pescovitz