"Now that we can use DNA to tell whether the babies were male or female, we're starting to revise the commonly held assumptions about infanticide in the Roman world," said Kristina Killgrove, a bioarchaeologist at the University of West Florida, who was not involved in the research. As horrifying as the killing of newborns seems … Continue reading Ancient Rome Infanticide Practices Did Not Favor Boys After All, DNA Study Suggests
Day: January 27, 2014
Of Physical Laws and Fictional Characters
After human extinction, a robot civilization?
This is a review of Charlie Stross's science fiction novel 'Saturn's Children'. It's been out for a few years, but I wanted to read his latest, 'Neptune's Brood', which is a sequel (of sorts), so I started with this one. Stross describes a universe where humans have gone extinct, but where the sentient machines that … Continue reading After human extinction, a robot civilization?
For interstellar travel, transmission is much cheaper
It will always be a lot cheaper to send a radio signal to an interstellar destination than any kind of physical presence. Our discussion the other day on the difficulties of interstellar travel left me pondering this, something that is well known to astronomers and other thinkers in this area. Given sufficiently advanced technology, the … Continue reading For interstellar travel, transmission is much cheaper