In a Mississippi pro shop I saw the Frogg Togg Chilly Pad, which is a fancy way of saying a foam towel.

FORBES: Simple Technology Keeps You Cool During Hot Weather Sports

There weren't any charging laptops on hand, like we saw over at Murata, but with power output at 50 and 100 watts, either pad could theoretically support it.

ENGADGET: Rohm Wireless Power Transmission system hands-on (video)