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Suspicious terrain - the world's first earthquake detection device?
So far, seismograph by Zhang Xing invention is still a big mystery.
Device
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How to measure how long Fidget Spinner rotates without a clock
Why? Because obviously the watch is not available but the laser device and light sensor are sold in the market.
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Assuring a punishment for adultery women in ancient times
Nailing into the vagina and taking nude walks to the streets, pinching the chest to break off, using a drill to drill into the vagina to death ... are cruel penalties fo…
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Your phone battery explodes, what do you need to do to protect yourself?
The following notes will help you avoid life-threatening dangers when the phone battery suddenly explodes.
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16 grisly torture methods of the Middle Ages
In the Middle Ages, in order to reduce the rate of criminals and people in prison, warlords often devised extreme methods of torture.
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Strange computers in the 90s
3DO Blaster, Sega TeraDrive, NEC PC-FXGA DOS / V ... are strange devices, combining computers and consoles for easier user game enjoyment.
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Electronic devices never run out of energy with super batteries
This technology is designed to be extremely flexible and can be attached directly to solar cells.
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The biggest mistake you can make when trying to save a phone, a headset ... gets water
There are times when you need to remember that
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Why can terrorists bring disguised bombs into laptops over the airport without being detected?
Security technology is more advanced than before but bomb technology is no less competitive. The speed of development is becoming a double-edged sword.
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The image of electrician EVN cleaning the power line with high pressure water
Cleaning the hotline is cleaning the insulation of the line, insulation of outdoor equipment in the substation when the device is carrying electricity.
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NASA is about to launch a robot that keeps track of astronauts' activities
Free flying robots are called Astrobees. They can move around ISS, film astronauts' activities, power new scientific experiments and help NASA locate lost devices.
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Hair-raising in front of the world's most unique tortures (Part 2)
There are many types of unconventional torture, although they are no longer used, but still make people listen coldly, shuddering and obsessive.
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Amazed the devices that detect enemy aircraft before the radar
Today, thanks to the help of radar systems, it is easy to detect the movement of aircraft. But before radar technology, how do people detect the movement of aircraft?
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What is the most mysterious island in the world?
The unexplainable mystery on the island of Es Vedrà off Spain is a big question, human riddles all the time.
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Robots help patients with heart failure through critical attacks
The new experimental robot model from scientists at MIT (USA) hopes to provide a better chance of survival for patients with heart failure.