What is the Black Patch?: The black patch on Katrina's arm is a health monitor by Ultrahuman, specifically the M1 Glucose Monitoring device. This device helps track glucose levels in real time, ...
If you’re watching the New York Mets during their epic playoff run in 2024, you may have noticed a patch on the sleeves of their uniforms with a black circle and the number 24. What’s the deal with ...