This next-gen door handle kills 99.8% of germs and is self-powered

Your public bathroom door handle anxiety can be solved with this self-cleaning door handle.

Published Nov 27, 2019 3:35 AM CST   |   Updated Tue, Nov 3 2020 11:46 AM CST
0 minutes & 42 seconds read time

When you go and think about places in public that would be coated in everyone's germs, what's the first place you think of? I think of public bathroom door handles.

This next-gen door handle kills 99.8% of germs and is self-powered |

I'm probably not alone in doing this, but when I'm at a public bathroom, I will try to completely avoid touching the entrance and exit door handle, as I know it's covered in everybody's germs. Luckily, my problem could soon be solved as two students out of China have managed to create a self-cleaning door handle.

The door handle uses ultraviolet light to keep itself germ-free. It has aluminum handles at either end and a thin layer of titanium dioxide covering the glass. When the ultraviolet light is enabled, it triggers a chemical reaction that kills off 99.8% of the germs present. How does the UV light turn on? Easy. The two graduate students thought of that and equipped the door handle with a small generator that uses the kinetic energy of the door opening and closing to power itself. What an incredible invention!

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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