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We all know that light bends when it travels through glass, water, or other transparent material - that's how a microscope, lighthouse and spectacles work! And you might even know that light...
Today I'm going to show you how to make a really cool light bulb vase. We're going to use a screw fit light bulb and a wire coat hanger. We're going to start by putting on eye...
How a Laser Works EngineerGuy Series #4 For years lasers have been a hallmark of science fiction yet much of our technology today depends on them Range finding devices, optical communications, and...
In order for us to see something, it either needs to emit light directly (like the sun or a lightbulb filament or firefly) or else have photons of light bounce off of it and into our eyes. But how do...
E=mc^2 may be the most famous equation in the world… but what you might not know is that it isn't the whole story. It just describes objects that have mass and that aren't moving. The...
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