I know of a hardware manufacture who used to put concrete into their DVD players... | Hacker News

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		Findy3ti on March 3, 2017 \| parent \| context \| favorite \| on: 94-year-old Lithium-Ion Battery Inventor Introduce... I know of a hardware manufacture who used to put concrete into their DVD players to give them that quality heavy feel

marcusjt on March 3, 2017 [–]

Are you sure that wasn't to dampen vibrations which might affect (or even themselves be caused by) spinning the disk and movements of the read head? (Same reason there's concrete blocks in the base of a washing machine)

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