These days almost everyone has either flown a drone or listened to the nasty whining sound they produce. Although small drones (up to 20 kg) are about 40 decibels quieter than conventional civil ...

Scientists at the Korea Advanced Institute of Science and Technology have found an easier and more efficient way to deactivate drones in the air — target their gyroscopes with sound waves. Every drone ...

Knocking a drone out of the sky is sometimes possible using an invisible weapon—sound. The vulnerability in some drones comes from a natural property of all objects—resonance. Take a wine glass: if a ...

Antonio J Torija Martinez does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Knocking a drone out of the sky is sometimes possible using an invisible weapon—sound. The vulnerability in some drones comes from a natural property of all objects—resonance. Take a wine glass: if a ...