The useful distinction is between materials that store energy in their shape and materials that store it in their disorder. A spring does the first and rubber does the second,…
The whole subject is fluid control. Too little and nothing appears; too much and it blots; and the difference between the two is a matter of fractions of a drop.…
Almost every physical process runs the way intuition expects. Hot things cool. Cold things warm. Something that starts closer to a target reaches it first.
Which is why this particular…
There is a general expectation that pain corresponds to damage. A large injury should hurt more than a small one, and a deep wound more than a superficial one.
A…
The useful way to think about any bond is as a chain with three links - surface, adhesive, surface - and a chain fails at whichever link is weakest. Here…
The technical term for this is path dependence: an early decision constrains everything afterwards, not because it was right but because too much was built on top of it. Here…