You win some, you lose some

[lost_luck]

I got myself a shiny one sided* graduation present for myself. This pleases me.

The day afterwards, my nice awesome set of earbuds that I bought at PAX get caught by a door while I go past and get utterly annihilated. This displeases me.

* (To be precise, it should be one side-one edged, but due to the nature of reality, it has two sides and two

Comments

[ink_13]

A Möbius ring?

[lost_luck]

Indeed!

[ink_13]

Those have only one side and one edge.... unless yours has a break or extra half-twist in it somewhere.

[lost_luck]

Well, the extra side and edge are due to the ring having thickness, which hinders reaching the mathematical ideal.