Discover how to build a simple electric train using just a copper coil, an AA battery, and disc magnets in this step-by-step ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

Electric scooters are already one of the most efficient and fun ways to travel — but what if you want just a bit more speed?

While the share is higher in Europe, only about 1% of railroad lines in the United States are equipped with overhead wires that carry electricity to power trains. That presents a complicated challenge ...