Question

what are the best devices that we can invent for society

Answer 1

we can invent a robot which do house hold work its has great affect on old people

Answer 2

1. Chewing gum that fixes your teeth

The problem: Nearly 4 billion people around the world suffer from untreated oral diseases like cavities and gingivitis.

2. A mouth guard that can detect concussions

3. An Internet-enabled, portable hand sanitizer

4. A smokeless solar cooker for developing countries

5. A cheap, portable water filtration device

6. Water pipes that monitor their own leaks

7. A way to scan food’s nutritional content

8. A shower that reuses its own water

9. An electric bike wheel

he problem: Biking to work or school requires a lot of psychical strain and isn’t realistic for those needing to wear business attire or travel long distances.

The solution: Smartwheel is a motorized bike wheel that can be used on any existing bike. Replacing one of a bike’s wheels with a motorized one would effectively eliminate a lot of the downsides of bike commuting: the physical effort, the time constraints, the varied terrain. The wheel can allow a bike to reach about 20 miles per hour, and it can also synch up with a smartphone to protect against theft and monitor the rider’s speed and distance.

10. Packaging made from mushrooms