Lattice Material Reduces Road Noise

Jan-10-20 An innovative, lightweight metamaterial developed by Nissan could reduce interior vehicle noise without adding weight.

The new metamaterial is made up of a lattice structure covered by a thin plastic film, somewhat like the structure of bubble wrap. According to the team, the material can reflect wide-frequency band noise, which would include road and engine noise, offering a quieter ride without adding weight or requiring additional power.

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[TECHEXPLORIST.COM]
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