Resistors are small but essential components that manage how electricity moves through a circuit. This video explains how ...

A quick calculation: To estimate a battery’s internal resistance, you can use a simple voltage-drop method when the ...

Most of us learn the same simple story about electricity but the real physics tells a completely different tale. Electrons ...

In physical systems, transport takes many forms, such as electric current through a wire, heat through metal, or even water through a pipe. Each of these flows can be described by how easily the ...

I’m in Sweden, following the route of a river that flows across the country, and out to the sea. I’m starting from the beginning of the river which we call the source, here in the mountains. Rivers ...

South Africa arrests four men suspected of planning to fight for Russia South African police said they arrested four men en route to Russia who are suspected of having been recruited to fight in the ...

Human development is influenced by, but not entirely determined by, our parents and our genes. Children may have very different personalities, and different strengths and weaknesses, than the ...

The latest traffic and travel news from across Liverpool, Merseyside and beyond. Any news on disruptions in the Mersey Tunnels, our railway network or on the motorways like the M62 or M56 will be told ...