Catching Light in a Bottle

By Jeremy DeatonIn 1880, Thomas Edison patented a lightbulb made from a glass tube and cotton thread filament. It was crude in its design, but it worked, and within a few years the Edison Lamp was a fixture of sitting rooms across America.In 2002, Brazilian mechanic Alfred Moser had his own eureka moment involving an old Coke bottle and a spoonful of bleach.

His makeshift lightbulb is now illuminating homes across the developing world.You can make one yourself at home. Just fill a translucent bottle with water. Add a splash of bleach to prevent algae from growing in the bottle.

Cut a hole in your roof and slip the bottle through the opening. Make sure you seal up any cracks to prevent the roof from leaking, and let the light shine in.The water in the bottle refracts sunshine, allowing the homespun skylight to glow as brightly as a typical incandescent bulb — but at a fraction of the cost and without using electricity.

In many parts of the world, families live in densely-packed, windowless homes with corrugated iron roofs and no access to power. Moser’s invention can light up these homes during the day, allowing men and women to work, cook and even grow food indoors.Filipino entrepreneur Illac Diaz has taken this idea and run with it.

He operates a project called Liter of Light that teaches volunteers to make solar lights. So far, the the organization has installed around a half a million lights in more than a dozen countries, with the support of the U.S. State Department and PepsiCo.Diaz comes from a family of celebrities — his aunt, Gloria Diaz, was the first Miss Universe to come from the Philippines.

Illac Diaz spent a few years in the family business, working as a model and actor, before enrolling in grad school at MIT and Harvard to study urban planning and public policy. Shortly thereafter, he started Liter of Light.The first test for the organization came after Typhoon Haiyan.

Diaz installed solar lights in communities devastated by the storm, training volunteers to assemble the lights themselves. He sees self-sufficiency as the key to resilience.“What if I am able to train an army of solar makers, solar engineers?” Diaz asked in a TEDx Talk.

When disaster strikes, he explained, communities can fashion solar lights from donated parts or materials that are available locally. The plastic-bottle bulbs are safer than candles and cheaper than incandescent bulbs which, of course, require electricity.Liter of Light also trains communities to make battery-powered lights that continue operating after dark.

Assembly is a cinch.

Connect a small solar panel to an old battery. Use that battery to power a high-efficiency LED light. Put that LED in a plastic bottle, and voilà! You have a street lamp.

Diaz reported a drop-off in crime wherever lamps had been installed.Rising temperatures will deliver more storms like Typhoon Haiyan. Humans will need to be more resilient in the face of natural disasters.

They will need to do more with less — produce more tools with fewer resources, and generate more light with less energy.“The future of solar is… putting it in the hands of everyone, putting it in the hands of people who can solve their own problems,” said Diaz in his TEDx Talk. “The small things, multiplied by the millions, will be the greatest solar revolution of them all.

”Jeremy Deaton writes for Nexus Media, a syndicated newswire covering climate, energy, policy, art and culture. You can follow him @deaton_jeremy

·RELATED QUESTION

Which custom lighting design manufacturers would you choose to work with (as in, your preferred list of custom lighting design manufacturers for new projects, renovations, and/or construction of a new home and/or commercial property) and why?

Residential and commercial lighting are different products. You do not give a reason for wanting custom vs. off the shelf products.

A unique custom lighting product is backlit onyx and hinoki wood walls, desks, columns, and stairs by GPI Design of Cleveland. The onyx and hinoki veneer are sandwiched between glass.

Boyd Lighting is a San Francisco Bay Area maker of high end lighting.

Phoenix Day is another Bay Area custom manufacturer.

Holly Hunt is a collection of custom lighting manufacturers.

Working with a lighting designer will save you time and money while guaranteeing your project will meet codes, function, and look good.

Catching Light in a Bottle 1

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