Cheap NFC-based chips run on your phone's radio waves, can be read and written - 01:05 Cheap chips NFCbased phones radio waves written +
Colloidal Display uses soap bubbles, ultrasonic waves to form a projection screen (hands-on video) - 00:11 bubbles Colloidal display handson projection screen ultrasonic video waves +
Researchers use ambient WiFi radio waves to see through walls - 23:12 ambient radio researchers through walls waves +
DirecTV waves goodbye to 52,000 subscribers in first ever net loss of customers - 23:35 52000 customers DirecTV first goodbye subscribers waves +
