Dithering: The intentional degrading of a satellite’s signal to discourage unauthorized use, which deterred citizens from tapping into the Department of Defense’s Global Positioning System, or GPS, for ten years.
New gear for more informed—and more fun—training
A flashlight, a fitness tracker, a GPS...the list goes on.
Pro athletes on the gear they want to unwrap this Saturday
Foil bike thieves while recording your commuting data.
19 essentials designed to keep you alive