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Day: October 28, 2019

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Bluetooth signal shielding device to be used in the examination

When taking part in the exam, the candidates should bring their own stationery. You are not allowed to bring anything other than the exam regulations. The test room will be equipped with silent wall clock, candidates are not allowed to wear watches to participate in the test, the time indicator of the wall clock is […]

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The first university in the United States to block cell phone signals

The campus network is too slow, American universities have come up with great ideas! Purdue university is banning students from watching video in its classrooms and blocking access to Netflix and other video websites in response to a slow Internet connection, the Chicago BBS reported Wednesday. The ban came into effect this week, the report […]

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Russia has developed a shield system that can stop small drones from trespassing

In order to prevent the foreign small uav from entering the protected airspace without authorization and at the same time do not hinder the normal work of our small uav, the Russian military unit developed a drone jammer system that can identify “friend or foe” and block the radio channel of “stranger”. The blocking system, known […]

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