By Heidi Harley

science / science - 6 years ago

This Was the Year the Robot Takeover of Service Jobs Began

Out of the three major sectors of the economy—agriculture, manufacturing, and service—two are already largely automated. Farm labor, which about half the American workforce used to do, now comprises around 2 percent of American jobs. And we all know the rust belt song and dance, beat out to outsourc...

science / science - 6 years ago

Storms halt SpaceX's first U.S. national security space mission

Thunderstorms forced Elon Musk's SpaceX to postpone Thursday's launch of a navigation satellite for the U.S. military, which was poised to be the rocket company's first national security space mission for the United States. SpaceX said its Falcon 9 rocket and payload, a roughly $500 million GPS sat...

science / science - 6 years ago

Climate Carbon Bookkeeping

The question often arises as to how we know that the current year-to-year buildup of CO2 is due to human activities. One way is to do simple bookkeeping of how much of each of the major types of fossil fuels we burn each year, and the predicted CO2 buildup implied by the known yearly combustion rate...