Advancing the Clocks

On the early hours of Sunday 14 March 2021, most of the United States will put their clocks forward an hour and Daylight Saving Time (DST) will commence. Two weeks later on 28 March most countries in Europe (including the UK) will follow, switching to  summer time. In this post I’ll talk about the practice… Continue reading Advancing the Clocks

Human spaceflight in 2021

2021 will be an interesting year for human space flight. Not only is it the sixtieth anniversary of Yuri Gagarin’s historic first manned spaceflight, but it will be the first time that a privately operated spacecraft will arrive at the International Space Station (ISS).  This private spacecraft is not just a one-off but will be… Continue reading Human spaceflight in 2021

Time and time zones

In this post I’ll talk about the measurement of time and the use of time zones throughout the world. This is particularly topical at this time of year.  In the early hours of Sunday 27 October the clocks go back an hour throughout the EU as Europe switches to winter time. The natural day There… Continue reading Time and time zones

Solar energy

15 December 2025 This orginal post has been revised and updated. However, a new version is at Opportunities for solar energy In this post I’ll talk about some of the science behind this interesting fact and I’ll also discuss how solar energy is likely to become more important to us in the future. The facts… Continue reading Solar energy