Top 5 inventions ever

Fine, for not easy ones...

1. The BMW 3-series
2. Antibiotics
3. Optical lenses
4. Soap/deodorant
5. The cushion/pillow
 
Agriculture
Mathematics
Writing
Currency

not sure for 5th... electricity, internet, micro-, medicine, etc
 
I never really got sliced bread being given such importance, even if it is just an expression. I like sandwhich made out of a nice sliced loaf as much as the next guy, but I actively try to find an unsliced crusty loaf if I can. A few local bakers still sell them. That way I can have proper slices, not little paper thin things that pass for a slice these days. It stays fresher unsliced and it's not like it's hard to cut bread.
 
You need to go really far back to get to the inventions that satisfy our most basic needs.

1. Speech - Everything is ridiculously hard if you can't communicate.

2. (Harnessing of) Fire - The ability to keep warm, cook meat, scare away wolves, and push mammoths off cliffs is all thanks to fire.

3. Agriculture - This made us have a steady source off food to reduce starvation, and have people do other things.

4. Writing - Everything is still pretty hard when you have to be standing right next to a person to communicate. It makes remembering easier too.

5. Bow - This is probably the most influental hunting tool in history.

Honerable mentions: Electricity, Birth Control, Currency.
 
1. Agriculture
2. Writing
3. Printing Press
4. Sanitary Systems (Plumbing)
5. Public Education System
 
Agriculture
Animal Husbandry
Fire
Wheel
Writing

And if fire is not an invention (because of wild fires);
then neither is electricity (because of lightning)
 
The Bikini
The Thong
The push-up-Bra
The Mini-skirt
And for the ladies... the tampon.

I am a sexist pig.
 
Electricity wasn't an invention . . . :mischief:

Technicality ;) Then one of the most important inventions has been electrification -- the ability to harness energy through wires and batteries and so on. I know that's kind of a meta-invention. But writing was invented much the same way -- some symbols here, some accounting there, some effort to link it to language, and it all adds up to "writing".
 
Communisto,

I just invented something better: pizza with cheese in all the crust. It's pretty sweet.
 
1. Writing
2. Printing Press
3. Telephone
4. Compass
5. Antibiotics

I exclude things like agriculture since it's too broad a category, and things like fire and electricity since they're not "real" inventions - just something in nature that humans harness or adapt to their own use.
 
Toast, and the wheel.
 
Classical Theory
Keynesian Theory
Law of Marginal Decreasing Returns
Consumer Theory
Computers
 
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