Why Does the Road Look Wet on a Hot Summer Day?
Why Does the Road Look Wet on a Hot Summer Day? On a hot summer day, while driving along the highway, you may see something that looks like a pool of water ahead of you...
Read MoreWhy Does the Road Look Wet on a Hot Summer Day? On a hot summer day, while driving along the highway, you may see something that looks like a pool of water ahead of you...
Read MoreHow Do Mirrors Work? Most mirrors are made of a sheet of polished glass with a thin coat of silver paint on the back. The silver backing reflects the light that falls...
Read MoreWhat Were the First Mirrors? Probably the first mirror was the surface of a quiet pond. Our earliest ancestors must have noticed that they could see themselves in still...
Read MoreWe will never know who first discovered the idea of a mirror. But our earliest ancestors must have noticed that they could see their reflections in the surface of a...
Read MoreHow Does a Telescope Work? A telescope is basically a long tube with magnifying lenses at both ends. A lens at the front of the telescope gathers light from a distant...
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