Technology Gravity lamp

1. Gravity Lamp LIGHTING FOR THE DEVELOPING COUNTRIES 2. GravityLight is powered by gravity without the need of a battery, it's also seen by its creators as a superior…

Engineering vinay kumar actuators presentation

1. 1 2. Actuators are devices used to produce action or motion. Input(mainly electrical signal , air, fluids) Electrical signal can be low power or high power. Actuators…