Inventions you may not know existed
Small cubes that self-assemble:
What if robots could reassemble themselves?
The MIT modular robot cubes can rearrange themselves using internal flywheels, which generate impulse movements used to propel the units in the desired direction, and use magnets for alignment.
The bots can even generate enough energy to create a strong enough momentum to enable them to jump from once place to another.
Google glass is basically a wearable computer with an optical head-mounted display that is developed by Google.
Google glass displays information in a smartphone like, hands free format, that can communicate with the internet via voice command.
3Doodler lets you draw 3D objects with a pen.
The portable 3Doodler is similar to a 3D printer in that it uses the same ABS and PLA plastic “ink,” or filament, to create durable 3D forms.