Rob and Cath talk about an ingenious invention which is bringing a bit of brightness into the lives of the poorest people in the Philippines. Listen to the conversation and explain what this invention is by writing a comment.
After listening to the recording 2 or 3 times you can have a look at the transcript to check understanding and vocabulary.
Transcript
This podcast is very interesting, the original invention is an "electric lightbulb" made with a simple plastic bottle of water. The bottle filled with water is in a hole in the ceiling, covered by a something of metal. The water reflects the metal inside the bottle and ligth appear.
ReplyDeleteMaria Jose G