The cat sensor does the work for you and keeps your cat safe. 1  With the Litter-Robot, maintenance is easy and infrequent. We recommend emptying the waste drawer once every 7-10 days for a single cat household, and more often if you have multiple cats.
It's simple. Radio waves travel unbelievably fastâat the speed of light (300,000 km or 186,000 miles per second). Analog radio. Ocean waves carry energy by making the water move up and down. In much the same way, radio waves carry energy as an invisible, up-and-down movement of electricity and magnetism.
At that distance, it takes a radio signal about 4 minutes to cover the distance one-way. At 62 million â¦ miles it takes 5 minutes 20 seconds.Radio travels at speed of light 186,000 mps. + 9 others found this useful.f you sent a microwave from the corresponding latitude on the equator, 75 degrees west for instance, ina perfect environment, at light speed, it would take about 7 minutes and 13 seconds.