Whereabouts in are you from? http://orthodoc4u.com/stmap_54h7x4u.html cheap viagra buy online For example, a tsunami sensor bolted on the seafloor uses sound waves to communicate with a surface buoy when it detects a giant wave. The buoy in turn converts the sound waves into radio waves and relays the message to a satellite, which ultimately routes the radio waves to a land-based computer. But this buoy may have no idea what any other buoy senses, and thus may send incomplete information.

Leave a Reply

Your email address will not be published. Required fields are marked *