Lift Weights Without The Weights | Future Technology | Scoop.it
From www.huffingtonpost.co.uk - August 11, 2013 3:49 PM
Toning up with bulky cast-iron weights could be a thing of the past with the invention of "magnetic" dumbbells. The sleek and innovative O2 Magnetic Dumbbells consist solely of two electro-magnetic rings worn above and below the elbow.