Kelluu, a Finnish startup, is developing low-cost hydrogen airships that can fly for up to 12 hours. They've recently attracted attention from NATO, securing a deal with a member for trials. The ...
Add Yahoo as a preferred source to see more of our stories on Google. Kelluu, a Finnish startup, is developing low-cost hydrogen airships that can fly for up to 12 hours. They've recently attracted ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results