A Commonplace Book

Wanderers - a short film by Erik Wernquist . A CGI video, with narration written and spoken by the late Carl Sagan. Here is  a gallery ...

There are two kinds of technology that would make space exploration easier. The first will come without government support. Anyone that fi...

So, we landed on a comet. What do we do for an encore? Well, eventually we land on another comet, and do it even better.  But it will tak...

So this week, humans landed a robot on a comet. And when I say landed, I mean we bounced it off the comet twice, until it came to rest. ...

Today, the European Space Agency successfully landed a robot spacecraft on a comet for the first time in human history. Well done! It was la...

Well, they are and it is . The pictures remind me of an Alp in space, because that's more or less what comets are. There's a lot ...

On Friday, October 31, Spaceship Two, Virgin Galactic's suborbital manned rocket, broke up in flight, killing one pilot and seriously in...

The Bridport muster  roll gives an unusually complete record of one of the musters held by the Lancastrians in 1457. Held at Bridport in Dor...

The archers were for the most part without armor, in their pourpoints, with their hose rolled down, with hatchets and axes hanging from the...

This is a cognitive bias in which incompetent individuals overestimate their own competence, and so make excessive investments in a bright ...