u/Funny_Guava_8071

Electric cars and other vehicles such as lorries, vans etc that have built in solar panels on the roof that charge the battery. It probrably would need a regular top up charge if travelling more than a little but it could top up the battery from natural sunlight, save money and be helpful if stranded because you could charge up in emergencies. Its clean energy and the money saved could cover the cost of having it made for the vehicle. As a name for it i think that reptile technology could be fitting as reptiles need the light of the sun to charge energy to move. Also if camping you could power your equipment and if travelling it gives extra flexibility.

Flying drones or robots that move along a surface that have a few colors of paint in spray guns that print on a suface like a wall or concrete ground. The device could mix different quantities of paint and be like a printer that does advanced pictures like a mural on a wall, high rise buildings, school playgrounds, park benches. Beacause the depth of image could be high it could allow for complex pictures, signs, graphitti style art, adverts, color gradiants. Could be used for landmarks, private propery, buisnesses. Getting drones or robots to paint along a surface would need advanced technology but if it could be done and programmed in advance into a computer that then controls it, there is the potential for a lot of use for this kind of thing. Potentially a big market but needing a lot of work to achieve it. If advanced and accurate enough whole scenic pictures could be painted by an automatic system where the design is made on the computer and the drones or mini robots like an automatic vacuum cleaner mix paint colors and partly operate themselves to make it a reality.