Material to cancel / absorb noise talking, cars, etc.?!

Question:
Name highly effective safe noise cancelling / absorbing materials to place / wear in "earphones." So as not to hear tallking, cars, etc.
Answers:
You can get the Bose Noise Canceling Headphones. they off da shizzle yo

Other Answers:
using a very sufficient composite glass for cars blended with polyelfin compacted with certain heat treatment and mastication temperature
Source(s):
STUDIES
Answers:

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Material to cancel / absorb noise talking, cars, etc.?!

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