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Sound Waves in Air (1961)

The film explores the properties of sound waves in air, demonstrating that sound travels at approximately 1,100 feet per second and reflects similarly to light. Through experiments using echoes, beams ...
A tailor-made structure may make microwave WiFi signals more transmittable through walls without reflection, according to new research. This works in much the same way as anti-reflective coating on a ...
Special Issue No. 56. Proceedings of the 10th International Coastal Symposium ICS 2009, Vol. II (2009), pp. 1040-1044 (5 pages) Published By: Coastal Education & Research Foundation, Inc. This paper ...