How to Make a Cooking Knife from Recycled Aluminum Foil

Believe it or not, with aluminium foil you can create a very sharp knife. You will need a few tools and some patience, but...

How to Build the Greenhouse of the Future

Living in a sustainable way is one of our generation's biggest challenges. Nowadays, most people living in major cities have to spend a lot...

This Net is Made from Recycled Plastic Bottles

You can do a nice and colourfull net using just plastic bottles! This is just one of the many ways you can reuse plastic...

Bacteria that feed on pollutants to produce electricity

Scientists of the Washington State University fished multiple communities of extremophile bacteria from the alkaline hot springs of the Heart Lake Geyser Basin area,...

An App to Help Citizen-Based Environmental Monitoring

It’s becoming more and more normal to live half your life in your phone, checking in and rating places. Ironically, this is an app...

How to Keep Food Cool Without Electricity

Evaporative cooling was used as early as the Old Kingdom of Egypt, around 2500 B.C. As you can imagine, a clay pot cooler does...

3D-Printed Mushroom Brained Robot Detects Harmful Gases

Life Guardian is a cyborg that integrates a 3D printed mechanical part and a living part: a mushroom. The biological part determines and modifies...

Scientists Turn Atmospheric CO2 into Coal Flakes

The need to transition to clean energy production free from fossil fuels, is becoming more and more pressing as climate change is impacting our...

How to Build a DIY Evaporative Air Cooler in a Bucket

Have you ever notice how it's often cooler near a lake on a hot summer day? Especially if there's a slight breeze? It's not...

Building This DIY Solar Air Heater Can Save You $1000 per Winter

The solar air heating collector is a quick and simple way to get started on alternative energy. Although is a quite simple array, it...