it was awesome. woodruff: plus, silicon valley turns its gaze to the stars. tech startups are working on commercial space flights, mining the moon, and more. we re trying to build the iphone of satellites. the beauty of this approach is that for less than the cost of a single imaging satellite in today s world we can launch a entire constellation of satellites. woodruff: those are just some of the stories we re covering on tonight s pbs newshour. major funding for the pbs newshour has been provided by: and with the ongoing support of these institutions and foundations. and. this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. ifill: they searched for victims and tallied the damage today, after a barrage of tornadoes hit the midwest on sunday. at least eight people were killed, and scores more were hurt. the most powerful storm cut a path roughly an eighth of a mile w
woodruff: plus, silicon valley turns its gaze to the stars. tech startups are working on commercial space flights, mining the moon, and more. we re trying to build the iphone of satellites. the beauty of this approach is that for less than the cost of a single imaging satellite in today s world we can launch a entire constellation of satellites. woodruff: those are just some of the stories we re covering on tonight s pbs newshour. major funding for the pbs newshour has been provided by: and with the ongoing support of these institutions and foundations. and. this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. ifill: they searched for victims and tallied the damage today, after a barrage of tornadoes hit the midwest on sunday. at least eight people were killed, and scores more were hurt. the most powerful storm cut a path roughly an eighth of a mile wide, clear acros