GENERAL CHEMISTRY explained in 19 Minutes

The Map of Chemistry

Finding a Percent of a Number | Calculating Percentages

Basics of Maths | Complete Percentage Marathon | Viral maths by Navneet Sir

How to work out percentages INSTANTLY

We don’t use deodorant… Smell isn’t something to be ashamed of. It’s a form of biofeedback. A signal designed to guide you. But most of us were taught to suppress it. To cover it up with synthetic fragrances, chemical antiperspirants, or even “cleaner” options like salt rocks. We used to use those too. And yes, potassium alum is a healthier alternative to most antiperspirants, which plug your sweat glands and block perspiration entirely. But it’s still an aluminum salt. And it still creates a ch

my raspberry pi IR spectrometer

i redeemed myself with cinnamon gas marbles (eventually)