December 31 2016 Leap Second

On New Year's Eve an extra second will be added to the end of the day. This extra second is called a leap second. As I'll explain later, leap seconds need to be added periodically to bring the time we measure with accurate atomic clocks in line with the natural time which results from the rotation of the… Continue reading December 31 2016 Leap Second

Jun 30 2015 – Leap Second

On June 30 2015 an extra second will be inserted into the very end of the day. This extra second is called a leap second.   Why do we need leap seconds? Although we take the average length of a day to be 24 hours, the mean solar day, or average "natural" day measured by the… Continue reading Jun 30 2015 – Leap Second

The Days are Getting Longer

Welcome Welcome to the latest post from the Science Geek. This post is about the effect the Moon has on the Earth and is a part of a series of posts about the Moon to celebrate the 45th anniversary of the first manned Moon landings. I hope you enjoy reading it and as always please… Continue reading The Days are Getting Longer