作者:邬剽     |      日期:2019-03-02 07:20:00
The Israeli military is developing a hornet-sized robotic “insect” that can undertake reconnaissance missions, the country’s Vice Premier Shimon Peres told a Tel Aviv newspaper last week. Peres says the drone will be able to video hard-to-reach rocket launching sites in Lebanon and Palestine and reveal their positions. If it works, it will probably be the first military invention that can be defeated by flypaper. A radio that erases the DJ’s chatter when you record music off the air is being developed by Hitachi. It’s simple to do, says the firm, because while speech is broadcast at the same level in both left and right channels,