Devices used by pilots to control an airplane.

Flying is definitely more demanding than driving. In order to fly a plane, a pilot uses various devices that are inside the cockpit of the airplane. An airplane has an autopilot system that can automatically maintain proper speed and correct path. But still during take-off, climb, descent and landing, a pilot has to concentrate more

UFO or Unidentified Flying Object

UFO stands for unidentified flying object. You may have seen thriller movies where UFOs play a major role. UFOs are not only seen in the movies but rarely in real life too. It is surprising to hear that common man to whom it still remains a mystery has actually seen UFOs. There is always a

Types of muscles in body : Basics ought to be known

There are about 650 muscles in our body and all the muscles contract and stretch to do different tasks. Without the help of muscles our body cannot perform basic activities like walking, blinking, smiling, digesting food, pumping blood etc. 40% of our body weight accounts for muscles. There are three types of muscles – the

Electric fuse: Basics ought to be known

Electric current flow in any circuit generates a lot of heat which is unavoidable. This heating effect of current is called Joule’s effect. Electric appliances like laundry iron, toaster, oven, kettle and heater are some of the devices that work based on Joule’s heating effect. The heat generated by current flow tends to increases the

Constellations – Basics you ought to know

A night sky is seen full of stars. These stars could be more than some trillion miles away from us. Yet some seem to form a group in the sky. This group or the cluster of stars is called constellation. The constellation system comes from the ancient Greeks. Each constellation is given a name in