You can use your head to unlock your car from further away than usual.
Keyless entry is a system that allows you to remotely unlock your car doors using radio waves without having to insert the key into your car. Professor Roger Bowley of the University of Nottingham explains the phenomenon in which radio waves can often reach a distance of about 30 meters, but if you press a button while holding the key to your head, you can unlock your car from a greater distance. Masu.
With a keyless entry key, you can lock your car from a distance by pressing the 'unlock' and 'lock' buttons on the key. Professor Bowley's car seems to glow yellow and notify you when it receives radio waves.
I moved far away from the car and got to the point where the car wouldn't respond when I pressed the button on the key.
Here Professor Bowley held the key to his head.
When you press the button in this state, the car responds, and you can confirm that for some reason the radio waves are reaching farther than usual.
Furthermore, Professor Bowley moved across the road to the property on the other side. From this position, the car will not react at all even if you put the key to your head.
Professor Bowley then placed a plastic tank filled with water on top of his head.
The car was unlocked by placing the key on the plastic tank and pressing the button.
According to Professor Bowley, the radio waves emitted from the key and the movement of water molecules in the plastic tank synchronize, amplifying the signal and allowing the radio waves to travel further. Even when the key was attached to the head, the water in the head had the same effect as the water in the plastic tank.
According to Remcom's analysis results, the strength of the radio waves is maximized when you bring the key to your mouth. If you really want to unlock your car from a distance, try this.
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