Ecological Footprint Calculators

This electricity cost calculator can help you understand how much running a particular appliance in your home costs you. It can be eye-opening. Perhaps it will…

Work and power mean something different to physicists than the rest of us. They measure work in joules and power in watts. If you ever need…

Are you considering putting solar panels on your house or building a new house with solar panels? It will help to have an idea of what…

Liquid thermometer showing both Celsius and Fahrenheit / Marco Verch via  Flickr Did you know that scientists have developed seven different scales for measuring temperature? Many people…

Tap Water Calculator

Do you know your carbon footprint? That is, how much greenhouse gas does your household generate? Most people have no idea. For one thing, it’s hard…

The world is awash in plastic. We keep reading about more and more ways it’s dangerous in the environment. We need to cut down especially on…