Just eight years ago, the people of William Kamkwamba’s village in Malawi, Africa were experiencing a devastating famine. William, 14 years old at the time, was forced to drop out of school because his family could no longer afford to pay for his education (approx. $80 a year). So what did William do? Like any good engineer, he began to research and look for creative solutions.
Can you imagine big cities without smog? Soon the buildings around you will be cleaning up the air. TX Active, a new innovative cement product, literally kills pollution by oxidizing the toxins that come into contact with it.
Efforts to cut carbon dioxide emissions and energy costs are giving rise to . . . poo power! That’s right – for the past few years engineers have been implementing new ways to convert waste products into usable biofuels. The process involves a series of chemical reactions know as anaerobic digestion, which ultimately produces a biogas composed largely of methane and carbon dioxide.
