Search Results for: luceneapi_node/science

Inexpensive LED Light Bulbs Have Arrived

Lighting Science Group 40 Watt Equivalent LED Light

LED light bulbs have long had incandescent and CFL (compact fluorescent) bulbs beat in terms of energy efficiency, yet they’ve taken a back seat to the CFLs due to the much higher price tag of an LED bulb. That is until now. As incandescent bulbs are being phased out, lighting companies are scrambling to get… [Continue Reading]

Is This The World’s Most Efficient Windmill?

Kamkwamba visits his exhibit at Chicago's Museum of Science and Industry (photo: Life's A Lab)

Sometimes the epitome of efficiency is using whatever tools are available to accomplish the job at hand. No one understands this better than William Kamkwamba, a teenager from rural Malawi whose ingenuity provided his family and neighbors with electricity from a most unlikely source.

Windows That Double As Solar Panels

A Solar Glass Dye by MIT

MIT researchers have announced that they have created “organic solar concentrators” that could make windows become powerful solar panels in as little as three years. The concentrator is mixture of two or more dyes painted onto a pane of glass or plastic. The dyes absorb light across a range of wavelengths, re-emit it at a… [Continue Reading]

World’s First Wave Powered Boat

Ken-ichi Horie, a 69 year old Japanese sailor, is planning a solo 4,350 mile trip from Hawaii to Japan using an innovative wave powered boat. If successful, the trip would earn him a Guinness record while simultaneously proving the viability of wave powered propulsion.

Fuel Cells Being Used To Power Japanese Homes

Masanori Naruse jogs every day, collects miniature cars and feeds birds in his backyard, but he’s proudest of the way his home and 2200 others in Japan get electricity and heat water – with power generated by a hydrogen fuel cell. The technology – which draws energy from the chemical reaction when hydrogen combines with… [Continue Reading]

Nightclub Illuminated With 100% LED Light

The Barcode nightclub was built in a disused brick Victorian railway arch in Vauxhall, south London. The entire nightclub is illuminated using only LED lights, and the sound system is also energy efficient. The architect, Woods Bagot claims that the system consumes “less electricity than the power used to boil a kettle”. If they could… [Continue Reading]

The Greenest Cell Phones of 2008

Sony Ericsson T650i Cell Phone

Most cell phones don’t even come close to being green — their chargers are energy inefficient, they contain hazardous chemicals, and they not are designed for upgrading or easy recycling. Recently though, some the big players in the field like Nokia and Sony Ericsson are making moves towards green design. As far as assessing which… [Continue Reading]

Book Review: Portable Houses

When some people vacation, they take their homes with them. Those are the people Irene Rawlings and Mary Abel write about in Portable Houses, a book devoted to all sorts of movable shelters and the people who created or renovated them. The examples featured in the book range in elaborateness from a canvas miner’s tent… [Continue Reading]

The World’s Smallest Lightbulb

The World’s Smallest Lightbulb (photo: Regan Group, UCLA)

As LED lights and fluorescent bulbs become increasingly mainstream, scientists at UCLA’s Department of Physics and Astronomy have developed a groundbreaking new variation of Thomas Edison’s incandescent light bulb. But don’t expect to find this bulb in your local hardware store anytime soon – unless you normally bring an electron microscope along to do your… [Continue Reading]

Efficient Concrete Replacement: Blocks of Trash

From Live Science: Last year’s trash could become next year’s model home, thanks to the invention of a new type of construction material made entirely from waste products. “Bitublocks,” created by engineer John Forth of the University of Leeds in England, are composed of recycled glass, sewage sludge, incinerator ash, the by-products of metal purification… [Continue Reading]