An electric current is a flow of charged particles. A source of energy, such as a cell or battery, is required to make the free electrons move in one direction. Electrons are negatively charged ...

If you’re heading to the beach this summer to enjoy the sand and surf, be sure to know the difference between rip currents, rip tides and undercurrents to make sure you have a safe beach experience.

Difference in Long and Round Bottle gourd: Bottle gourd is no less than a boon for health. Bottle gourd is a storehouse of nutrients. However, two types of bottle gourds are available in the market, ...