“Silver and titanium are much more abundant than indium in the earth’s crust” Indium tin oxide (ITO) has become a standard material in light-emitting diodes, flat panel pla... Read more
This graphic shows you how long we have to reach peak everything–from oil to phosphorus. We use a lot of materials that we can’t get back once they’re gone. Much ado has been made abou... Read more
One laptop per child seems a simple slogan, chock full of benefit. What could go wrong when you put the power of the Internet and solar cells into the hands of children in the developing wor... Read more