Convert from shed to stremma

Unit Definition (shed)
The shed is an exceptionally small unit of area used in particle physics. Like its big brother, the barn, the shed is used to express the apparent cross-sectional area of a particle from which other particles are scattered. One shed equals 10E-24 barn, which is 10E-52 square meter or 0.0001 square yoctometer.

Unit Definition (stremma)
The stremma is a traditional Greek unit of area, now redefined to equal exactly 1000 square meters or 0.1 hectare (0.24710 acre).