in the offing

1. credit card that switches off.

    your credit card and debit card in one card.
    backed with a battery. goes blank  after a period
    of  no use. can be re used only after u key in the
    code.  some protection against theft ?

2. solar cells on the window glass

    a paint which will generate electricity from sunlight.
    so your window glass can  work as solar panel.

visit

    http://www.smartplanet.com/

for more on the products taking shape in the labs