DISCOVERIES and INVENTIONS : That Changed the World

What would life be like without cars, television, the Internet and computers, or the omnipresent smartphone? Setting aside the question of whether things would be better or worse, what we do know for sure is that today there are some inventions that we just can't do without. And yet some of them are very recent, in their infancy we might say, while others are a little over a century old, which …