Solar bottle-bulbs bring light to Filipinos

Millions of the poorest people in the Philippines live without electricity.

Many are informal settlers who connect themselves to power sources illegally, often leading to fires breaking out in their homes.

Now, a new and cheap solar-light idea is providing an answer for a growing number of Filipinos.

Al Jazeera’s Marga Ortigas reports from Manila, the Philippines.

Genesis of the normal solar car

The University of New South Wales Solar Racing Team, Sunswift, have raised the bar for solar powered vehicles with eVe, a sleek and sporty car built on the premise of practicality that could usher in a new era of sustainable driving in Australia.

The Sunswift team consists of volunteer University students who passionately design, build and race extraordinary solar cars in the endless pursuit of a cleaner future.

Further details about the Sunswift project can be found on the website.

How to build a solar bottle bulb

This video shows, in an easy step-by-step fashion, how to build a solar bulb from a plastic bottle, some metal sheeting, rubber sealant or epoxy resin, glue, filtered water and 10 ml of chlorine.

Important notes:

1) Always scratch the sides of the bottle to create better grip to the sealant. The top part where the bottle meets the metal is the leak point in the build so use industrial strength sealant (epoxy or DOW Corning 791) on the top and bottom if possible.

2) Always put a protective cover over the bottle cap as the suns rays tend to make the original bottle cap brittle and a crack in the bottle cap will allow the water in the bottle to leak during evaporation.

3) Always RIVET the metal sheet holder on to the roof.

4) DON’T USE THIN METAL ROOFING SHEETS. There will be no bite on the plastic bottle and the different expansion rates will cause leaks later on. Go for thicker roof sheet.

Solar Power

The animated correspondent, ‘Little Lee Patrick Sullivan,’ continues the “Energy 101” series with an inside look at solar-power technology. He breaks down the different types of solar devices and how they work, detailing the pros and cons of this renewable energy source.

Solar PV

Solar photovoltaic (PV) systems can generate clean, cost-effective power anywhere the sun shines. This video shows how a PV panel converts the energy of the sun into renewable electricity to power homes and businesses.