Dr William Richard (left) takes an ultrasound probe of colleague David Zar's carotid artery with smartphone-compatible USB ultrasound probe he designed Photo credit: David Kilper/WUSTL Photo
Looks like smartphones are getting even smarter. We can already access our email, GPS navigate and use a wide range of business document formats, making them an integral part of a business person’s day. Now doctors might soon be packing a smartphone alongside their stethoscopes. Computer engineers at Washington University in St. Louis have coupled a smartphone with USB-based ultrasound probe technology to produce a mobile imaging device that fits in the palm of a hand.