Gadgets - overview of technology novelties

This section will cover the amazing world of interesting and unusual technological innovations. They are commonly called gadgets. What are gadgets? Wikipedia answers this question as follows: "A gadget (from French gadjet - an amusing toy, thing, technical novelty, invention) - a technical device (including digital technologies) with enhanced functionality, but limited possibilities (specialization)." At one time, gadgets referred to mobile phones and PDAs, but today this term includes almost all technological novelties that stand out for their unique properties.