Supersonic startup Exosonic closed its doors on Friday following low customer interest and difficulty raising funds.
Exosonic
- Supersonic aviation startup Exosonic shut down in November after five years in business.
- The California-based startup was working on faster-than-sound jets for commercial and military use.
- Funding, low customer interest, and a preference for hypersonic flight negatively affected business, its CEO said.
A handful of startups are vying to revive supersonic flight...