Dr. Kofi Amegah of the University of Cape Coast, Ghana, installing a small air sensing unit built by the University of Massachusetts.
Citizens and activists are using cheap off-the-shelf sensors to collect their own data on air pollution. It's a promising trend, but these devices have serious technical limitations.
DIY antennas are often placed in churches for better visibility, longer distance and better quality connections.
A more democratic internet is possible via personal and community networking. Find out how to build your own connection to the world.
Ben Nelms / Reuters
Essential reading for green-fingered urbanites and guerrilla gardeners.
It worked for these people in Liverpool.
Housing People, Building Communities
With high prices and long waiting lists for existing houses, building your own home could make more sense.
It’s dirty work… and that’s only the visible dust.
Tiny nanoparticles emitted during building work can enter your lungs and bloodstream.
The scientific evidence for brain stimulation is only in its initial stages.
Image from shutterstock.com
A simple procedure requiring only a nine-volt battery and a few cords strapped to your head is gaining momentum with DIY types eager to improve brain function. Brain stimulation involves weak electric…
Glowing plants are frivolous? Most people don’t think so.
The hobbyists who conduct biology in their garage are not a threat to society, according to a recent report published by the Woodrow Wilson International Center for Scholars. They aren’t developing a new…
A home-made hexapod robot on display at a Mini Maker Faire at Somerville in the US.
One evening when I was young, my father confiscated my radio because he said I was playing it too loud (I wasn’t). Fortunately, I had a bunch of broken down receivers in my room, so I built a new one…