Worldbuilding opinion has it that if you create a situation where aliens come to Earth, they must be 'aggressive'. I've…
Cora Buhlert tweeted a link to a very interesting article in the German magazine Spiegel Online. The article is in…
A while ago, I posted some pictures of this house in Amsterdam, which I've used as model for Johanna's house…
Amsterdam is known for old houses like these. Many of them were built in the Golden Age, which started around…
Shifting Reality is set in a space station orbiting Epsilon Eridani b. The planet, which my characters call Sarasvati, is…
The lives of real scientists are quite different from the way they are often portrayed in fiction. If you're looking…
Fertility-related topics commonly pop up in SF and even in fantasy. One such trope is the notion that some time…
Because looking up the difference between a comet or asteroid drives me nuts. They are both: Small chunks of "stuff"…
A crash course in SCUBA diving for writers. Because, y'know, I like it when people get it right. If you…
The May 2013 issue of Analog Science Fiction and Fact contains my story Geospermia. Martin Shoemaker alerted me to a…