قائمة كاملة باختبار الاخت راق وأدوات القرصنة للمتسللين ومتخصصي الأمن

This four-inch reception apparatus could let you message from profound underground

There's a reason that scuba jumpers utilize gesture based communication and that caverns and passages make radio no man's lands. The laws of physical science keep radio signs from infiltrating materials like water, soil and stone, and that has been a baffling impediment of current remote correspondence. Presently, the Department of Energy's SLAC National Accelerator Laboratory may have an answer: a four-inch-tall, stash estimated reception apparatus that emanates exceptionally low recurrence (VLF) radiation. 

In contrast to radio waves, which are utilized for radio communicates, radar and route frameworks, VLF radiation wavelengths can travel a great many miles into the great beyond and several feet through the ground and water. This isn't the first run through VLF radiation has been utilized to get through physical hindrances. In any case, the new reception apparatus is a lot littler and could be utilized to assemble transmitters that are just a couple of pounds. That makes it engaging for military salvage and barrier missions. 

The SLAC-drove group shared its work in Nature Communications today. As per SLAC, in tests, the new reception apparatus created VLF radiation multiple times more effectively than past conservative recieving wires and transmitted information with right around multiple times more data transfer capacity. That could empower information exchange rates of in excess of 100 bits for every second - enough to send a basic content. While that probably won't seem like much, it could make life-sparing correspondence with submarines and profound dugouts or mines conceivable.