Technology

As stated in the article about current, resistance, and voltage, the current is transported from the power plant to your house using different voltages. For example, the voltage on the…

A hot air balloon can stay in the air because it weighs less in total than the air around it. Airplanes, on the other hand, are much heavier than air. What ensures that these machines can…

You walk with your friends through the shopping street after school. Suddenly you see something great in the shop window. It's that beautiful smartphone cover, the cover you've always…