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?