The mobile phone was designed by...
Martin Cooper
Graham Bell patented the...
telephone
This invention is considered one of the greatest since the discovery of fire
The light bulb
.................. was invented by engineer James Watt
The steam engine
It transformed society and continues to evolve today
Internet
The first mobile phone had 20 minutes of battery. True or false?
False. It had 30 minutes.
The Steam Engine drove the First Industrial Revolution. True or false?
True!
The .......... revolutionized communication by allowing instant speech.
The telephone
