Ever found yourself without a signal and wished you could just spray one on like magic? Well, maybe soon, you'll be able to do just that. Chamtech Enterprises has developed a spray-on antenna it says is more lightweight and energy-efficient than current technology. Revealed at Google's inaugural Solve for X shindig, the antenna can be "painted" onto almost anything, including trees, walls and fabrics. Chamtech's already talking with government-based customers, and as such can't spill too much detail on how it works, but said it
