Sharing the Ascension Experience
Humans have grown plants atop structures since antiquity. The ziggurats of ancient Mesopotamia (4th millennium BC–600 BC) had plantings of trees and shrubs on aboveground terraces. An example in Roman times was the Villa of the Mysteries in Pompeii, which had an elevated terrace where plants were grown. A roof garden has also been discovered … Read more
These hummingbird favorites are easy to plant and they will animate your garden in the most delightful way. Agastache: Quickly becoming a summer favorite, this perennial has fragrant foliage and spiky flowers of pink, purple, blue, red and orange. Hollyhock: Plant these and you’ll have sensational spires of flowers. A classic cottage garden plant that’s very easy … Read more
Large, centralized irrigation schemes, often built around big water storage dams, were a major component of the Green Revolution that helped boost food production and reduce famine risks for millions of people, especially in Asia. But they have often proven environmentally destructive and, especially in Africa, expensive. By contrast, decentralized irrigation – small individual systems … Read more
According to a new report, Wind Power – Global Market Size, Turbine Market Share, Installation Prices, Regulations and Investment Analysis to 2020, by research firm GlobalData, installed capacity increased at a compound annual growth rate of 25%. This translates into to a jump from 73.6GW in 2006 to 280.6GW in 2012. There was a 7%, … Read more
The angle or pitch of your roof actually has less impact on solar panel performance than the direction it faces. In general, optimal production occurs when solar panels face south at a tilt equal to 30°. But what happens if your roof is flat? Lowering the tilt all the way down to 5° only decreases … Read more
Nuand has employed Lime Microsystems’ programmable RF silicon for its bladeRF, which – the two companies say – takes open-source RF hardware into the mainstream Lime’s field programmable RF chip, the LMS6002D, has been adopted for Nuand’s bladeRF, a Kickstarter-funded open source software defined radio. Following Myriad RF and Fairwaves, this is the third open … Read more
Aston Martin only made about 1,200 DB4 cars back in the day, and today some versions can fetch millions at auction. Ivan Sentch of New Zealand has printed about three-quarters of the mold parts for his handmade Aston Martin DB4. The resident of Auckland, New Zealand, has printed nearly three-quarters of the sections for his … Read more
Before 3D printers become as ubiquitous as cellphones, they could form the basis of small-scale manufacturing concerns and have huge potential both here and for developing countries, where access to many products is limited. Associate Professor Joshua Pearce, a Michigan Technological University researcher posits the following: “Say you are in the camping supply business and … Read more
This year, for the first time, respondents to the annual Future of Open Source Survey chose “better software quality” as the No. 1 reason for adopting open source. Is innovation in enterprise software happening anywhere else other than in open source land? Hadoop is at the center of the big data trend. OpenStack has the … Read more
Scientists first discovered viruses in the late 1800s when they were puzzled by a disease that beset tobacco plants. They mashed up wilted tobacco leaves with water and passed the mixture through fine porcelain filters that trapped bacteria and fungi. The clear liquid could still make healthy tobacco leaves sick. The Dutch botanist Martinus Beijerinck … Read more