Prairie gardens, rain gardens, gardens and animal debris towers A garden has to do. Often have litt

Lowtech Magazine Home Contact & Info Subscribe Links Home Energy Transportation Computers & Gadgets Make it yourself gsc mid valley Retro Tech Search
Prairie gardens, rain gardens, gardens and animal debris towers A garden has to do. Often have little or nothing to do with nature A lawn lined with tightly pruned plants gsc mid valley attracts hardly any animals or insects, requires a lot of maintenance and pesticides, fertilizer and water needed.
A thousand years of fossil fuels: tar sands of Flanders and the Netherlands, the success of almost all economically important nations in Western Europe during the last millennium was built on a massive use of fossil fuels such as peat and coal.
The coup of Wall Street: not politicians, but bankers rule the world, the financial world has changed in twenty years from a relatively simple and useful system in a high-tech monster that no longer serves the public interest. Financial gsc mid valley engineers have developed through complex and opaque instruments fraudulent pyramid scheme set up. We will pay the bill.
The ingenious design of the Chinese wheelbarrow While the European wheelbarrow was only used for the carriage of cargo on a very short distance, the Chinese gsc mid valley wheelbarrow centuries a universal vehicle for the transport of both goods and passengers at much greater distances.
May the light be less economical? Someone who every night reading a book at a light bulb consumes much less energy than someone who has 29 energy saving light bulbs screwed in, working simultaneously on two economical gsc mid valley laptops and a solar-charged music listening. Viva Las Vegas: Led and the paradox of energy efficiency More efficient equipment often has new applications and increased usage as a result, reducing the total energy consumption at the same level will be located, or even increases compared to the situation before the arrival of the efficient technology. A green car 1949 Despite all the advanced technology that has since stopped in cars continues to 2CV 1949 economical than the small Citroen today.
How much energy does the production of digital technology? Just the embodied energy of a memory exceeds the energy consumption of a laptop during the expected life of three years.
History (and future?) Industrial windmill in the thirties and forties of the twentieth century, decades after the steam engine wind had made obsolete Dutch investigators remained stubbornly gsc mid valley the already very sophisticated traditional gsc mid valley windmill improve further. Boat mills Floating plants to renewable energy. The optical telegraph: email in the 18th century, more than 200 years ago it was already possible to send messages with the speed of an airplane through Europe - wirelessly and without electricity came along. Cutting edge technology gsc mid valley from grandfathers time: all items
If we halve the average speed of all vehicles, the overall fuel consumption would fall by 75 per cent rate is considered by engineers as immutable, while the most effective factor in reality is to save an enormous amount of energy - in one stroke, at minimal cost and without the need for new technology.
Rotates the industry soon to concentrated sunlight? The debate about renewable energy is almost entirely focused on the production of electricity. But the energy we need it most, it is heat. All industrial activity - including the manufacturing of solar panels and wind turbines - could be done by means of mirrors and sunlight.
Who wants to get electricity sharply, gsc mid valley down eventually meets up with the problems fridge and freezer are called. Even new and efficient models consume together soon 1 kWh per day. Fortunately, a lot of alternatives to those usually considered indispensable gsc mid valley modern appliances. There
In the first article we explore the solar dryer, which allows herbs, vegetables, fruits, meat and fish undergone a preservation process gsc mid valley powered by the sun. A solar dryer is too hot, which means that the device also works well with us. Quickly in warm countries Lucas Brouns learned one building and doing in this guest contribution account of his experience - plans included. The article originally appeared in the magazine "Seasons".
Drying is a way to preserve for the winter, for sale, for his friends. Harvest The solar dryer is therefore a device that works well in our climate. We went on a course to get one bou