THAMES & KOSMOS: AIR-STREAM MACHINES
HOVERCRAFT AND AIR-DRIVEN MODELS
In one way or another, almost every form of energy we use originates as energy from the sun. Solar energy directly powers photovoltaic cells and thermal collectors. Indirectly, we get power from plants grown by the sun, oceans heated by the sun, and Earth’s weather systems sustained by the sun.
Only logged in customers who have purchased this product may leave a review.