Circuit Construction Kit adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time.This simulation of a Circuit Construction Kit(AC+DC)is from the...
Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor...
How do plants and animals grow, one might ask? Jorge Picado of the Universidade de Coimbra recently looked into the question of how seashells grow, and has produced this lovely article which is offered as part of the...
In April 2004, the United Nations General Assembly passed a resolution with the goal of "improving global road safety". Subsequently, the World Health Assembly was invited to assist with this endeavor and they worked...
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