A Collection of Articles
Edit

Biomedicine

Underwater Updates

  • August 23, 2011

Runners, among other athletes, have long been able to monitor their heart rate while exercising. Now swimmers can too: an earlobe clip uses an infrared sensor to monitor blood flow. Heart-rate information is converted to speech, which is transmitted to the wearer’s ear every few seconds or minutes via bone conduction.

Product: Aquapulse heart monitor
Cost: $150
Availability: Now
Source: www.finisinc.com
Companies: Finis

Uh oh–you've read all five of your free articles for this month.

Insider basic

$29.95/yr US PRICE

Subscribe
What's Included
  • 1 year (6 issues) of MIT Technology Review magazine in print OR digital format
  • Access to the entire online story archive: 1997-present
  • Special discounts to select partners
  • Discounts to our events

You've read of free articles this month.