The airships have a range of 4,000 nautical miles, can fly for five days, and can cruise as high as 20,000 feet at 80 mph. They take to the skies over Spain in 2026.
Prosthetic arms can cost amputees $80,000. A startup called Unlimited Tomorrow is aiming to change that by making customized 3D-printed bionic arms for just $8,000.