There was an error while loading. Please reload this page. A clean, well-documented simulation of the classic "pendulum wave" demonstration. The project simulates ...

Abstract: Inverted pendulum systems (IPSs) are typically nonlinear, highly coupled, multivariable underactuated systems. Due to their complex control characteristics, they have become a research focus ...

The pendulum at the museum is attached to a 61-foot-long cable. It typically swings as the Earth rotates, knocking down pegs, until it suddenly stopped this month. The Houston Museum of Natural ...

Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

The best simulation games give us - regular people - the chance to do things we wouldn't usually get the chance to do. Sometimes, these are extraordinary, highly specialized activities, and sometimes ...

Thomas Anderson – otherwise known as Neo – is walking up a flight of stairs when he sees a black cat shake itself and walk past a doorway. Then the moment seems to replay before his eyes. Just a touch ...

From ancient Greek philosopher Plato to Neo, hero of the dystopian film fantasy The Matrix, humans have long pondered the true nature of reality. Can we trust what we see, taste, touch, smell, and ...

Build an empire, pilot a jumbo jet, or try your hand at industrial power-washing with these engrossing sim and sandbox games. In 2014, I began my career at PCMag as a freelancer. That blossomed into a ...

There's a vast world of PC games that let you tackle the mundane in creative and surprisingly enjoyable ways. Build a PC, run a pizza shop, or become a bee with these strange and wondrous titles. In ...

David Harper is the CEO and founder of Bionic Turtle. He is also a published author with a popular YouTube channel on expert finance topics. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an ...

The interplay of non-Hermitian physics and open quantum dynamics has been fruitful in ultracold atoms. Expanding on previous demonstrations of controlled dissipation, the authors demonstrate here gain ...