The frequencies of the conducted electromagnetic waves are controlled by the computer system, which enables a smooth handwriting experience.

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However, because of a different system of electricity supply in the UK, electromagnetic fields are generally less intense, resulting in only a few children found to be exposed to levels greater than 0.2 micro-Tesla.

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To protect electronics, an entire system must be encased in a metallic shield that prevents any external electromagnetic pulse from entering.

CENTERFORSECURITYPOLICY: Center For Security Policy

While some of these weapon and sensor systems like the Electromagnetic Railgun or the Free Electron Laser are at least a decade away, the Laser Weapon System and Air and Missile Defense Radar systems are almost ready for prime time deployment today.

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