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 aContinue 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 andContinue reading “Fire extinguishers basics”