Mr. Savoni and others devised a way to push the water through the filter, a block of carbon encased in plastic, more swiftly.

WSJ: With Bottle-Fillers in Mind, the Water Fountain Evolves

Half of the parents surveyed say they use parental controls on electronic devices or software to monitor, block, and filter what their kids see.

FORBES: Connect

The key is a filter that sits in front of the projector to block vertical regions of the screen, meaning that each one of your eyes sees a slightly different picture based on the angle at which it views the screen.

FORBES: New Technology Could Allow for Glasses-Free 3D Movies