News Report

Intermediate level

Recycling light

Episode 160112 / 12 Jan 2016

Step 1: Listen

You're going to hear a genuine BBC news report from 12th January 2016. Before you listen, read these three summaries:

a)    A lightbulb which uses much less energy than an older model has been developed by scientists in the US.
b)    A lightbulb which uses much less energy than an older model has gone on sale in the US.
c)    A lightbulb which uses slightly less energy than an older model has been developed by scientists in the US.

Now listen and decide which one is correct. Listen again if you need to.

Step 2: Learn the key words and listen again

How was that? Try listening again. Here are three definitions of key vocabulary items which may help you.

significantly
by a large or noticeable amount
                                         

incandescent
producing light from a heated part

prototype
the first example of a new product

Step 3: Transcript and answer

Researchers in the United States say they've developed a technique that can significantly improve the efficiency of the traditional incandescent lightbulb.

They say they've built prototypes that are already three times more efficient than standard incandescent bulbs. 

Answer

a) A lightbulb which uses much less energy than an older model has been developed by scientists in the US.

This bulletin comes from BBC World Service Radio.

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