As a kid, Perry Brown sometimes was called on to climb up steel grain bins to check if they were full. Now, Brown and partner Steve Erickson have invented and are selling a device that does the job ...
Almost half of the carbon dioxide produced on the planet is consumed by the oceans, living organisms, and plants. At the same time, plants play the most important role, since they not only absorb CO2 ...
All over the world, countries are competing among themselves in the construction of renewable energy sources. In addition to solar panels, wind farms have also become very popular. The race in this ...