This incredible shield, made by combining an Electrical Harness and a Quality Iron shield, not only protects you from physical attacks, but also interferes with spells thrown at it!
Recently, Steve Cummer, Associate Professor of Electrical and Computer Engineering at Duke University announced that it is theoretically possible to create such a sound shield.
近日，杜克大学电子信息工程学院副教授Steve Cummer声称，从理论上这种声音屏障是可造的。
3
COAXIAL cable, an electrical cable usually connecting an antenna with a receiver or transmitter. The cable has an inner conductor and an outer grounded shield.