IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. A homemade demonstration unit showing ...

Write the definition of energy on the board. (Energy is the capacity to do work.) Make a two-column chart on the board similar to the one below and have students brainstorm examples for each form of ...

Cars that run on hydrogen are called fuel-cell vehicles. They are electric vehicles that get their energy from a fuel-cell stack rather than a battery pack. Related: 2021 Toyota Mirai: 3 Things to ...

An electric car isn’t the only passenger vehicle out there that generates zero tailpipe emissions. You’ve probably heard of fuel cell cars. They use hydrogen gas to make electricity to power a motor ...