underground green house

Growers in colder climates often utilize various approaches to extend the growing season or to give their crops a boost, whether it’s coldframes, hoop houses or greenhouses. Greenhouses are usually glazed structures, but are typically expensive to construct and heat throughout the winter. A much more affordable and effective alternative to glass greenhouses is the walipini (an Aymara Indian word… Read More


grid

Power grid vulnerabilities are finally garnering some attention by government officials. An electrical grid joint drill simulation is being planned in the United States, Canada and Mexico. Thousands of utility workers, FBI agents, anti-terrorism experts, governmental agencies, and more than 150 private businesses are involved in the November power grid drill. The downed power grid simulation will reportedly… Read More