It seems like every other day we hear about some hacker, tinkerer, maker, coder or one of the many other Do-It-Yourself engineer types getting their hands into a complex field once reserved to only a ...

The molecular formula and empirical formula of some substances are the same. For example, both types of formula for carbon dioxide are CO 2.

Over the past century, experimental physicists and engineers have developed sophisticated methods to create semiconducting silicon-based devices, such as diodes, transistors and memory elements, of ...