At least 2,000 flights cross the northern Atlantic ocean every day! How do all these planes avoid aerial traffic jams? For planes that fly over land, air traffic controllers use radar to keep things organized. But radar doesn’t extend very far past the shore. So how do they track planes that go over the North Atlantic? Press play to see how this sophisticated system works.
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.