In physics, the classical "Hall effect," discovered in the late 19th century, describes how a transverse voltage is generated ...

Cory has been a professional trader for two decades. In addition to trading and investing he's widely published and coaches individual clients on the finer points of gaining an edge in the market.

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and ...