Newton Adventure - Play Newton, a very special hero who has the power to change gravity direction! Play it now! Octocat Jump - GitHub Game Off 2012 Entry. Play it now! Onslaught Arena - Fight off hordes of classic medieval monsters in this fast paced arcade shooter! Play it now! Pappu ...
Unlike the EKG a doctor might use to measure your heart rate, an optical heart-rate monitor measures your heart rate using light. An LED shines through the skin, and an optical sensor examines the light that bounces back. Since blood absorbs more light, fluctuations in light level can be t...