Spacecraft navigation uses X-rays from dead stars

The remnants of a collapsed neutron star, called a pulsar, are magnetically charged and spinning anywhere from one rotation per second to hundreds of rotations per second. These celestial bodies, each 12 to 15 miles in diameter, ...

Five things to consider before speed limiters are added to cars

The recent announcement that EU rules for fitting speed limiters to new cars from 2022 will be adopted by the UK was welcomed by many, including the European Transport Safety Council, as a move that will save lives. However, ...

Amelia Earhart would have a hard time disappearing in 2019

When Amelia Earhart took off in 1937 to fly around the world, people had been flying airplanes for only about 35 years. When she tried to fly across the Pacific, she – and the world – knew it was risky. She didn't make ...

New tool helps minimize impact of solar activity

University of Saskatchewan researcher Lindsay Goodwin has developed a new way to measure the impact of solar activity on the ionosphere as indicated by northern lights and geomagnetic storms. The ionosphere is the upper part ...

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