Abstract: For a multiple multicopter system, the increase in the number of multicopters may lead to severe trap problems. These will abort missions, crash multicopters, or even injure people. To solve ...

With the winter continuing to bring bitterly cold weather this month, millions are worried about how much to use their heating. Research by Barratt Homes found that nine in 10 consumers are concerned ...

With the British winter continuing to bring bitterly cold weather to the country, millions of Brits are worried about turning on their heating. Research by Barratt Homes has found that nine in 10 ...