How to measure grip strength of an eagle for BBC Natural World

I hope they have assessed how easy it is to shield a drone against the attack. Hopefully the shielding would add too much weight.

Although I worked in the steel industry, I didn't get that close to blast furnace operation; however, from what I remember, they tend to stay in...

Surely standard shielding techniques like screened cables, thin aluminium enclosures, conductive polymer casings etc. would significantly reduce the...