A new material absorbs electromagnetic waves, making it difficult for radar receivers to notice objects.

An Israeli company called Nanoflight has developed a special paint that can make aircraft and missiles invisible to radar and could prove to be a cost-effective alternative to buying a stealth aircraft. The nano-paint absorbs electromagnetic waves sent out by radar and scatters them into the atmosphere instead of returning to the radar receiver, which makes it difficult for it to pick an incoming object. Nanoflight says their paint can also be used to protect buildings from radiation caused by neighboring high-energy power lines.

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