The Big Bang theory raises some important questions about the fundamental nature of the universe: Will the expansion of the universe, set in action by the Big Bang, continue forever? Or will gravity ...

Laura Zander is a strategic, results-driven executive with deep expertise in financial leadership, operations, and organizational effectiveness. With a career spanning the international development, ...

Hold the CD in the sunshine. Or if it's a cloudy day, turn out the lights and shine your flashlight at the CD. Hold your piece of white paper so that the light reflecting off the CD shines onto the ...

Discover why your favorite cat videos don't leak out of optical fibers. A transparent material, such as glass or water, can actually reflect light better than any mirror. All you have to do is look at ...