31. Another problem might be that the first layer would refract light and cause a fuzzy image. 32. Mediums can refract and reflect light. 33. The film covering the lenses of the glasses refracts white light into a prism of color. 34. Membrane optics employ plastic in place of glass to diffract rather than refract or reflect light. 35. Even at very low densities the ionization will refract radio energy, attenuating it according to: 36. At medium frequencies, this appears to " bend " or refract the signal beyond the horizon. 37. It's no coincidence that precious gemstones refract light in pleasing ways . ?! Vranak? 38. The denser nodes refract light more and are analogous to the opaque part of a conventional grating. 39. The popular theory is that since water refracts light, it would confuse flies'compound eyes. 40. It is displayed on a transparent stand to allow light to enter and refract from all sides.
