A real life Eyedropper tool! This is awesome. A pen with a little censor that scans the color of the object you point it at, then you can write in ink that exact color, it's like the eyedropper tool in photoshop outside of the computer.
for zombie apocalypse Solar charging backpack that can charge your laptop. From Voltaic. This can be your bug out bag. Charge your phone and flashlights and laptop. For daily use, not only in case of any emergency.
The Hand Crank Emergency Cell Phone Charger - Hammacher Schlemmer - This is the charger that converts one minute of hand cranking into bursts of emergency power for a connected cell phone. For emergency calls. This would be awesome!
If you ever need to make an outdoor fountain!) Must make a wine bottle water feature. Think It of using an old wine rack as the structure and sprinkler wands to distribute water into the selected bottled
RYNO Motors' single-wheeled electric scooter is self-balancing, has a turning radius of zero when stopped, & only takes up about as much space as a folding bicycle -- so it's conceivable that commuters could bring one onto a train.
Abandoned pens and other such stationery stand a chance at purposeful usage, thanks to the Pen Printer. The device uses the ink from discarded pens to print on paper. The current tech may not support such an ambitious idea, but it’s worth the exploration,