Visit the edge of space in a capsule powered by a helium balloon

Talk about taking balloon rides to the next level. This concept capsule could eventually take a crew of eight people to a height of 98,425 feet (30 km). From there, passengers would be able to see the curvature of the Earth — and even the blackness of space. » 12/17/13 4:45pm 12/17/13 4:45pm