Tidal power

Tidal power is a type of hydropower that converts the energy of tides into electricity or other useful forms of power. Tidal power is one of the oldest forms of energy generation. It has been used for centuries to power mills and other machines. Today, tidal power is being developed as a renewable energy source. … Read more

Cloak of invisibility

A cloak of invisibility is a device that allows an individual to become invisible. The cloak covers the body and bends light around the wearer so that they are not visible to the naked eye. The cloak is also able to block thermal and ultraviolet light, making it difficult for infrared cameras and night vision … Read more