Polybee on lookout for investors to seed drone-powered pollination

Singapore

TOMATO farmers have long known that the wing beats of bumblebees trigger pollination in their crops and bump up yields.

But in indoor farms, where bumblebees aren't likely to be found, some operators take to holding vibrating wands or tuning forks against their flowers to replicate the thrum of the insects' wings, which beat at more than 130 times a second.