Morning Overview on MSN
Astrophotographer nails insane shot of ISS crossing the moon
The International Space Station slicing across the face of the Moon is one of the most fleeting sights in the sky, a ...
We rank the best PS3 games of all time. From The Last of Us and Uncharted 2 to Skyrim, GTA V, and Mass Effect 2, these ...
We rank the best GameCube games of all time. From Metroid Prime and Wind Waker to Super Smash Bros. Melee and Resident Evil 4 ...
Abstract: Photoplethysmography relies on characteristic changes in the optical absorption of tissue due to pulsatile (arterial) blood flow in peripheral vasculature. Sensors for observing the ...
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