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[–] sore_ass_losers 0 points 1 point (+1|-0) ago 

Batteries, hence flight time, don’t last long.

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[–] Sir_Valence ago 

Battery tech research is an area of hot topics.

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[–] BlowjaySimpson ago 

How small can solar panels be?

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[–] Improbablyanasshole ago 

They can increase flight time but not by a ton, micro drones only last 5-10 minutes afaik.

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[–] sore_ass_losers ago 

Not that I’m following the technology, but I haven’t heard of this. If it were feasible hobbyists would be doing it.