Research at Stanford has resulted in a rechargeable "battery" that uses a mix of sea- and fresh water and a dash of nanotech to generate electricity. Green power plants at river mouths could be the ultimate result.
Adobe has just released its Flash Player for Mobile 10.1—empowering certain smartphones to play flash content on the Web. Curious timing, since Apple's just shipped its new Flash-free iOS4. Is Adobe trying to make a point?