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Russian air defence detected 350 Ukrainian drones flying towards Moscow in the night on Friday, the first day of the parliamentary and local elections in Russia, said city mayor Sergei Sobianin. Most of the equipment was destroyed on the way, 64 of which were nearing the capital. Follow our direct.
The EU wants to lift a decades-old ban on spraying pesticides from the air, allowing drones to be used for greater precision. But experts warn the plan could lead to even more pesticides being used in agriculture.
Pre-programmed flights gather data at different altitudes then return to bases to recharge and download Weather happens in the boundary layer, the atmosphere from ground level to a few thousand metres, but this can be difficult to study in detail: weather stations are too low, and aircraft are expensive. Instrumented weather balloons are the traditional solution, and thousands are released every day. But these are at the mercy of the wind and use irreplaceable helium. Drones offer an alternative and the US company Meteomatics has taken the idea further with Meteobase, a base station on the gro
