This. I recently worked with a company that produces drones among other things, and spoke with the head of research there.
More or less, they said they had given up on putting money into drone R&D until battery technology caught up, as they had plenty of ideas that they believed in but were unfeasible due to battery life.
More or less, they said they had given up on putting money into drone R&D until battery technology caught up, as they had plenty of ideas that they believed in but were unfeasible due to battery life.