This activity introduces students to electric circuits through a number of hands-on activities utilizing copper tape, light-emitting diodes (LEDs), and other basic components. A number of concepts are ...

An op-amp operates on analog input. It can be used to amplify or attenuate this input, and to carry out mathematical operations such as addition, subtraction, integration, and differentiation. Because ...

Kids who fall in love with technology and engineering have never had it better. There's no shortage of websites and tutorial videos and hardware kits meant to teach them the fundamentals of crafting ...

What are the challenges for real-time biosensing and “edge” analysis? How do gold and gold-silver nanowires address the issue? How these sensors can implement elementary logic functions. Wearable ...