‘Help Lock’ Doorknob Protects Olds From Bathroom Peril
Sometimes, old people fall and they can’t get up. It’s a fact! Designer Haishan Deng has proposed a simple, timed bathroom doorknob for folks who are prone to such accidents, living alone, or clumsy. Here’s how it works: In the initial setup, you program a time limit—say, 20 minutes—for your future bathroom. From that point…