When the modern computer was first created in the 1960s, people soon started imagining a future with intelligent machines. Some of these visions were dystopic, like Skynet in the Terminator movies. Today, almost everyone takes it for granted that artificial intelligence (AI) on par with human cognition is just around the corner, but is […]

This past weekend, Pacific Gas & Electric had to resume electricity blackouts to 930,000 customers affecting upwards of three million people around San Francisco. Meanwhile, two major wildfires, one of which may have been caused by malfunctioning utility equipment, are burning and evacuations are underway. PG&E has informed customers that power […]

The energy needs of the world’s economy seem to be easy to model. Energy consumption is measured in a variety of different ways including kilowatt hours, barrels of oil equivalent, British thermal units, kilocalories and joules. Two types of energy are equivalent if they produce the same number of units […]

The first privately built spacecraft to carry a mannequin to ISS blew up in Florida last month, and won’t be making a return trip. On Saturday, April 20, something bad happened to SpaceX’s Crew Dragon spaceship. We still don’t know exactly what happened. But at least we now know more than we did last month.…