Humanity's 10 greatest inventions: the other 9?

[grantoury]

While a bad screw produces bottomless regret.

 

[bagpuss]

Sits on hands to avoid been banned.

 

[The History Man]

the mechanical advantage of an inclined plane, turned around a shaft. Whilst the helix exists in nature, it does not do the same thing.

A pig would disagree

 

[The History Man]

https://en.wikipedia.org/wiki/Biological_screw_joint?scrlybrkr=86220ae1

 

[bikeworkshop]

https://en.wikipedia.org/wiki/Biological_screw_joint?scrlybrkr=86220ae1

Nice find

i Thought mother nature might have got there first, especially with all those snails hanging around.

The wheel on the other hand
- but I think i mentioned this way back -
tumbleweed doesn't really count, needs an axle!

 

[novocaine]

A pig would disagree

A pig does not your its willy to hold two bits of wood together, just to prevent it's mate from running off.

I'll concede to the Weevil though.

 

[bikeworkshop]

I'll concede to the Weevil though.

Clever wee devils

 

[highlandsflyer]

Fair enough but like everything, we just fk it up in the pursuit of capital.

Even my suggestion of jeans.. jeans used to be great, now look at them, they’re full of holes

How else would you get them on?