Meet Divya Tyagi, the Penn State student who cracked a 100-year-old wind energy equation, boosting turbine efficiency
Divya Tyagi, a Penn State engineering student, has cracked a 100-year-old wind energy equation, refining Glauert’s classical ...
EDN20d
A pitch-linear VCO, part 1: Getting it going
Editor’s Note: This DI is a two-part series. Part 1 shows how to make an oscillator with a pitch that is proportional to a control voltage. Part 2 shows how to modify the circuit for use with higher ...
BBC13d
Solving linear equations - AQA
An equation is a statement with an equals sign, stating that two expressions are equal in value, for example \(3x + 5 = 11\) Solving an equation means finding the value or values for which the two ...
Nanowerk8d
Transistors explained – what they are and what they do
What does "NPN" or "PNP" mean in terms of a transistor? "NPN" and "PNP" refer to the arrangement of the different types of semiconductor material in a Bipolar Junction Transistor (BJT). In an NPN ...