The Greatest Inventions in History

alpha-hydroxy

CoKe

Sugar free cookies

personal computers

internet

lip balm

hair gel

debit cards

white mexican cheese dip.

Accepting your thesis, “The Greatest InventionS” are:
The steam engine
something else
Opal something

I can’t believe no one has mentioned this yet:

Concrete

Another favorite of mine that may not quite rate in the top 10, but always gets utterly forgotten on lists like this:

Corrogated cardboard.

The Keeper.

Medicine

telephone

sunscreen

pen and paper

Peanut Butter

The many uses of Soy beans.

Airplanes

Getting man on the moon/outerspace.

Ramen noodles.

I guess all of my nominations have been mentioned. . . so I’ll just go with one I’m partial to:
1951- Leo Fender unveils his “Precision Bass.”

Another vote for decent sewage systems and glass (for eye-glasses - imagine having to run around horribly near-sighted your whole life. You’d suffer from constant headaches. You wouldn’t be able to climb a hill to see the view. You couldn’t appreciate the night sky. Bottom line, it would suck rocks.)

The uses of antibiotics/vaccines - two words: The Plague

Concept of individual liberty - though it hasn’t spread far enough

Printing press - allowed ideas to spread easily