Ideas:
1- A wristwatch that functions as a cardiac
resuscitation device
2- Shoes that generate energy from walking
3- Smart glasses for the blind that describe
surroundings through audio
4- A portable refrigerator
5- A fuel sensor that calculates the total refueling cost
6- Mechanical umbrellas that automatically close
when it rains or snows
7- A solar-powered backpack
8- A phone charger powered by a foot pedal
9- An artificial tree that absorbs pollution
10- Study glasses with a focus-enhancing feature