Scientist, physics lecturer, amateur astronomer, bookworm, #sf fan, sports enthusiast.

Profile name originates from Heinlein's "The Moon Is a Harsh Mistress", which is one of my favorites. Background photo: the lower caldera of the Teide volcano, Tenerife.

I write / read / boost on #travel, #hiking, #nature, #books, #ScaleModel, #science, #politics and occasionally on other topics I find interesting.

Located in the EU, English & German.