21.   Still, patients who used the watch during clinical trials said the device helped keep them healthy by providing more frequent updates on their blood sugar levels.

22.   Such a device might help in deploying air bags during an auto collision.

23.   The company also presented studies showing the devices could help prevent further dislocations in patients experiencing multiple hip dislocations, and could reduce pain.

24.   The device helped make the space program practical, Ford said, because space vehicles could get power from readily available sunlight.

25.   The device can help eliminate bleeding, swelling and stitches by cauterizing soft tissues.

26.   The device Chapin helped create used silicon, the principal ingredient of common sand, to convert sunlight directly into electricity.

27.   The device helps casinos curb losses from gamblers who beat the odds by counting cards dealt from a single deck.

28.   The device helps those with vision loss read by translating the printed word into synthesized voice.

29.   The new devices should also help shield clerks from abuse when an illegal sale is nixed.

30.   The newer devices help filter noise in large crowds, prevent wind interference and do not interfere with telephone use.