without any ropes or hooks. very mission impossible there, the machine uses high-powered vacuums hooked up to batteries. the students took part in the air force competition and the only ones to create a working device. now for a look at the national weather, we check in with meteorologist todd santos, he has the weather channel forecast for us. in oklahoma city a lot of power lines knocked over. >> a big issue when you get a lot of hail over large areas. we got photos in from the storm riders, if you've ever seen that show on the weather channel. some areas, some very large hail. this one is coming in from those guys as well. this is actually their back window. so don't feel too bad for them. they are professional storm chasers, you do get the idea we had a lot of reports yesterday of severe hail. some of them upwards of five inches, the largest one i saw out of piedmont, oklahoma. we saw a number of reports up into the northeast. actually over 400. so a few additional hail and