USA: NASA is exploring the idea of sending humans to live in solar-powered airships in the upper atmosphere of Venus. The High Altitude Venus Concept (HAVOC) mission would use a helium-filled ...

However, it is unclear if this technology can ever be successfully integrated into manned (and passenger) flights - although one novel idea is to make solar-powered airships. While it is possible ...

Whether you want to float an airship, fuel a truck ... researchers have demonstrated a pilot plant on the kilowatt-scale using solar hydrolysis technology, as per a paper published in Nature.

For example, in May Ascent Solar announced a module order from an unspecified customer that is developing an unmanned, helium-filled airship operating in the stratosphere at an altitude greater ...