Ice cubes melt and hot coffee cools. This is the familiar way of the world, enshrined in the laws of thermodynamics. Left to its own devices, things tend to reach the same temperature, called ...
Picture Victorian London, but its skies are filled with airships. Steam-powered robots crowd the streets, mingling with people in top hats and petticoats. That type of retrofuturistic mash-up is the ...
Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of ...