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It is the process of reseraching or inventing new weapons.
Alexander Graham Bell was famous for inventing the telephone.
He is famous for inventing the can opener.
Chinese
Thomas Edison became famous for inventing useful inventions. He got famous by inventing the first lightbulb in history.
he was famous for being a scientist
He is famous for inventing the cotton gin.
He is most famous for inventing the mobile.
inventing things for computing like a calculator
Inventing weapons for killing people is bad due to the current religion status nowadays, religions such as Islam believe not to harm any animal or human being.
Alexandra bell is famous for inventing the telephone
kublai khan was famous for inventing things