FOUR INVENTIONS
a)_________________
It was developed in the 1830s, from ideas that had been around for hundreds of years before. These days we use digital cameras and smart phones to take pictures, but some people still think film looks better and use film cameras today.
b) _________________
In the 1980s, many people had one of these. You could listen to a store-bought cassette on it or make your own cassette ‘mix’ from the radio or from another cassette. These days we use MP3 players or smart phones.
c) _________________
Inside, they had a ribbon of magnetic tape and were mostly used in cars up until the mid-1990s and, before that in the 1980s, with Walkmans and at home. You could buy them with music on them or buy ones and record your own music onto them. These have been replaced by MP3s and CDs.
d) ________________
Early TVs could not show colour, and it was not until 1954 that the first colour TVs were introduced. They were very expensive, so most people really did not have colour TVs until the 1970s. We now have large LCD TVs which are much larger and have clearer displays.