1 Introduction Non-lethal weapons are mainly used to disperse illegal demonstrations and street riots without inflicting serious physical injuries on the law violators.The development of non-lethal weapons complies wi...1 Introduction Non-lethal weapons are mainly used to disperse illegal demonstrations and street riots without inflicting serious physical injuries on the law violators.The development of non-lethal weapons complies with the civilized standards aimed to protect the law-abiding population from violent crowds with no casualties and injuries.It is noteworthy that tasers and pepper sprays are already in widespread use for personal self-defense.Thunder and lightning are the simplest natural examples of non-lethal and lethal weapon.Thunders sound frightening but they do not kill,lightnings can kill.展开更多
A 普能的电话普通的电话是不能够杀人的,那些惊险诡异的情节通常只会出现在小说或电视中。然而,人耳接收的声音信号的频率是有限制的,过高或过低都对人体有害,基于这—原理,超声波和次声波都能够成为伤人的武器。频率超过2万赫兹的声波...A 普能的电话普通的电话是不能够杀人的,那些惊险诡异的情节通常只会出现在小说或电视中。然而,人耳接收的声音信号的频率是有限制的,过高或过低都对人体有害,基于这—原理,超声波和次声波都能够成为伤人的武器。频率超过2万赫兹的声波被称做超声波,它方向性强、能量易于集中。超声波制成的武器利用高频声波,造成强大的空气压力。展开更多
文摘1 Introduction Non-lethal weapons are mainly used to disperse illegal demonstrations and street riots without inflicting serious physical injuries on the law violators.The development of non-lethal weapons complies with the civilized standards aimed to protect the law-abiding population from violent crowds with no casualties and injuries.It is noteworthy that tasers and pepper sprays are already in widespread use for personal self-defense.Thunder and lightning are the simplest natural examples of non-lethal and lethal weapon.Thunders sound frightening but they do not kill,lightnings can kill.
