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Hong Kong-based students, Sum Ming Wong and Kin Pong Li designed a door handle that uses light to always keep itself sterilized. The students were inspired by the SARS outbreak in the 2000s and figured that a self-sanitizing door handle is more effective than the chemical-based cleaning processes we are using right now. The handle is made of a glass tube with aluminum caps at each end and the entire handle is covered in a powdered photocatalytic coating made from a mineral called titanium dioxide. The bacteria is decomposed through a chemical reaction that is activated by UV light reacting with the thin coating on the glass tube.

5YQkr TIL that Einstein's brain has been dissected and found to be no bigger than average but has significantly more astrocytes, which are poorly-understood neural connectors that anyone can increase by continuing to learn new things, and with a good diet, exercise, and love.
9YZlG TIL that a Florida man was awarded $37,500 after cops mistook glazed donut crumbs for meth. Daniel Rushing was pulled over when the cops searched his car. They tested white crystals they found and it tested positive for meth. Rushing told them they were donut crumbs but they wouldn't listen.
KMWE TIL that illiterate immigrant Jews signed with a circle in lieu of their names. The Yiddish word for Circle was kikel, leading to the ethnic slur “kike”
Z88YR TIL There is a note in the end credits of "Frozen" stating that Disney does not support the consumption of boogers
Vlpk TIL Strom Thurmond, the South Carolina senator who opposed Civil Rights and voted for segregation, fathered a mixed race daughter with his black maid