Please provide your email address to receive an email when new articles are posted on . Vision is the perception of light. To comprehend the nature of human vision, an understanding of the properties ...

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 ...

Phononic crystals are novel materials that offer exceptional control over phonons, sound and other mechanical waves. Taras Gorishnyy, Martin Maldovan, Chaitanya Ullal and Edwin Thomas report on a ...

My daughter was pretty annoyed with her iPod case (with a screen protector). It had this interference pattern on it – here is a vine version. This is called a thin film interference pattern. Basically ...

Many properties of light are properties of waves, including reflection, refraction, and diffraction. Ch Frame Code Title 1 A Opening Sequence 2 02479 G Light, Electric And Magnetic Field 3 05649 V An ...

A METHOD of measuring the refractive index of living cytoplasm by phase-contrast microscopy was recently developed by Dr. R. Barer and his associates 1,2. This method consisted essentially of ...