Brian Otis gingerly holds what looks like a typical contact
lens on his index finger. Look closer. Sandwiched in this lens are two
twinkling glitter-specks loaded with tens of thousands of miniaturized
transistors. It's ringed with a hair-thin antenna. Together these remarkable
miniature electronics can monitor glucose levels in tears of diabetics and then
wirelessly transmit them to a handheld device.
"It doesn't look like much, but it was a crazy amount
of work to get everything so very small," he said before the project was
unveiled Thursday.