Offers of cash caused a surge of dopamine in a tiny piece of neural machinery called the nucleus accumbens--a structure as ancient as backbones that plays a key role in addiction.

FORBES: This Is Your Brain On Money

Inside those arenas the key to building the next generation of tiny chips is a technique known as immersion lithography.

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You get three earplugs made of soft, hypoallergenic silicone, with tiny filters to temper the sound, and a small cylindrical aluminum carrying case that fits on a key ring.

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