[ birds squawking ] ♪ my mom makes hospitals you can hold in your hand. ♪ my mom can print amazing things right from her computer. [ whirring ] [ train whistle blows ] my mom makes trains that are friends with trees. [ train whistle blows ] ♪ my mom works at ge. ♪ it was a big day, humanitarian, for tesla ceo elon musk when a spacex falcon 9 rocket blasted eleven communication satellites to