If you are the proud owner of a brand new iPhone 4 you could be one of many people who have discovered that if you hold it in your palm, [as you would of course,] the slight electrical charge of your skin creates a connection between the two antennae that wrap around the device, causing dropped connections.
So here's the fix via Fast Company.
Got a bunch of photovoltaic cells and a vehicle that requires electricity? Toshiba's thought up a process dubbed "Charge Grid" by which you can juice the latter efficiently. When the sun's out and the electrons are flowing, it doesn't pay to put them into the grid, so this system stores them in a rechargeable battery ready to rapidly charge your EV. It's a few years away so you have time to get those solar panels on your roof..