Rochester Institute of Technology

Entering passcodes on smartphones can be difficult for the blind, as they can't see the screen, nor can they tell if someone else is peeking at it. The OneButtonPIN app is designed to help, by utilizing vibrations instead of visuals.

The most commonly-used water filtration media are silicon gels and activated carbon. These can only be used once, however. By contrast, not only can filters made with carbon nanotubes be reused, but they're also reportedly more effective at removing organic pollutants.​