October 29 is the 302nd day of the year (303rd in leap years) in the Gregorian Calendar, with 63 days remaining.
October 28 - October 30 - November 29 - September 29 - more historical anniversaries
... - when a wave turns back from the direction it was travelling, due to hitting a reflective material.
Refraction - the change of direction of waves due to them ...
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