This is such a ____ idea! It's a light ____ that needs no electricity, no ____, no cables and costs absolutely nothing to run. It wasn't ____ by a famous scientist, but by a ____ man in Brazil more than ten years ago. In his ____ at the time, they had problems with electricity and people's homes were often left in the ____. One day, Alfredo Moser and his friends were talking about how they could ____ a signal in an ____. One of them suggested using a bottle to ____ the light from the sun. This made Moser think. Why not use ____ to make light? All you need is a clean ____ bottle. Fill it with water from the ____ and close it with a black top. The black ____ attracts the sun. A drop of ____, the kind you use to clean the house, is added to the water to keep it ____. Then a small hole is ____ in the roof of the room where you want the ____, and the bottle is pushed ____ the hole. While there is ____ outside, the light will be carried through the water into the room ____. And it's much ____ than the light from the ____. Moser ____ his idea with his neighbours and his light bottles were ____ in the local supermarket. Ten years later,an ____ in the Philippines heard about Moser's idea. The MyShelter Foundation helps people in ____ areas and specialises in building houses using ____ materials. Now there are Moser ____ in more than 140000 homes throughout the Philippines and the idea has ____ to a number of other countries, too. In India, the bottles are used in ____ schools and to grow food. In Bangladesh, the lights are installed in ____ businesses. Moser has not made a lot of ____ from his invention, but his lamps have ____ made life easier for a lot of people!

eo4 sb p.54 light in a bottle.

על ידי
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?