A homemade demonstration unit showing the basic operating principle of a fuel cell. A wooden housing with metal handle on top, cardboard backing, translucent plastic front panel with fuel cell diagram ...

This truly is what you’d call an electrified rose, but it’s not thanks to its abilities to nurture love and happiness. This is a rose that could revolutionize how we see fuel cells, and it’s ...

Save guides, add subjects and pick up where you left off with your BBC account. We use circuit symbols to draw diagrams of electrical circuits, with straight lines to show the wires. The diagram ...