while not null

I haven't written here in two years, but a recent conversation on Mastodon with Daniel Bowen motivated me to come back. Here's Danie...

Karolina's Twins by Ronald H. Balson read by Gabra Zackman A very moving, and, as far as I can tell, historically accurate Holocaust sto...

6 October 2020 I've spent the whole day yesterday looking into an interesting problem brought to my attention by Wayne Purcell  after he...

Greater Tokyo is the biggest metropolis in the world with about 38 million residents, 1000 train and metro stations , over 2500 km of tracks...