The drones are an unmanned and it is remotely controlled flying machine which can also be used for some certain range of work in addition to simply flying over the ground. But, the drones are used for many works such as video recording and also to take pictures. Some may also used to perform technical or scientific measurements. Some are used to carry weapons and they are also used as a combat tool. Still others are used to carry the post and cargo between the places. the latest development in drones is that to carry the tools for repair and installation purpose.
Basic technology in the drones may consists of some kind of power plant, some kind of steering mechanism, some propulsion mechanism, some kind of sensors to know about the place and the paths and the sender receiver unit to receive and transmit the signals for recording and steering. While you want to own drones, you may found drones in various shapes, and also in all kinds of exotic shapes, such as disks, oblong airships, stars, donuts, triangles, or it can resemble like big birds or insects.
Small and the light drones are typically driven by propellers which are connected to electric motors. These types of propeller motor are powered by batteries. We can also produce very light drones which are powered by solar panels which are used to fly on air for several form of work. some of the drones are held up by gas lighters than in air, like blimp that also makes the drones able to hold itself in air for long time.
It is also possible to construct the drones powered by nuclear energy which are able to stay up for more than a day or week, and especially if these types of drones are partially made as gas filled blimps. Such types of nuclear power source have to be considered as atomic reactors. The energy source can also be special isotopes which radiates intensely and thereby it produce enough heat to power up the drones. Some of these isotopes can radiate mostly rays which can be shielded off without heavy armors.
Since, most use drones for various purpose based on their requirement. For those, they have to choose the right one as their needs. There are many follow me drones that can be used for their purpose. Try to find the best drones for your purpose.