Rethinking urban transportation systems

I invite you to a week long discussion on safety in urban transportation systems on Twitter as a part of a month long discussion on Sustainable Development Goal no. 11 - Sustainable Cities and Communities. Follow @pinthecreep on Twitter for the discussion. I'll be curating this week again. I welcome you all. This is a … Continue reading Rethinking urban transportation systems

Fire extinguishers basics

What is fire? We've all seen fire. Probably felt it too. Fire is the rapid oxidation of a material  - a process known as combustion. It is exothermic, therefore it releases heat. We also know it produces light. Lastly, we know it burns or vaporizes things. Mechanism of fire onset: Fire is nothing without its three components - oxidizing agent, heat and … Continue reading Fire extinguishers basics