As shown in the graph and table below, most renewable electricity is generated by hydroelectric power. Solar energy lies in third place behind wind. Electricity generated from renewable sources. From Our world in data (2018). The ‘Others’ category includes biofuels (e.g. burning wood, animal and agricultural wastes), geothermal energy and wave/tidal power) Despite only being… Continue reading Advantages of solar energy
Author: Steve Hurley
Hi I am Steve Hurley. Although I work in the IT industry. I studied for a PhD in astronomy in the 1980s. My real passion is explaining scientific concepts to a non-scientific audience. My blog (explainingscience.org) covers various scientific topics, but primarily astronomy. It is written in a style that it is easily understandable to the non scientist.
Publications and videos
For links to my books and videos please visit www.explainingscience.org
Easter – 21 April 2019
In 2019 , for the majority of people 21 April was Easter Sunday, one of the most important dates in the Christian calendar. Although Easter is a is a festival celebrating the resurrection of Jesus Christ from the dead, it is also widely marked by non-Christians in the UK, particularly as there are two very welcome public holidays on… Continue reading Easter – 21 April 2019
An amazing discovery
For those who missed my post on 1 April 2016 here is a re-blog of the amazing discovery of the first intelligent alien life. ---Original post below News is just reaching us of the most amazing astronomical discovery which I am ever likely to experience in my lifetime, one which I never thought I would see. As regular… Continue reading An amazing discovery
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
American crewed spaceflight in 2019
Since the retirement of the Space Shuttle in July 2011, America has been unable to put any astronauts into orbit around the Earth. Instead, it has been in the difficult situation of having to rely on the Russian Soyuz spacecraft to ferry astronauts to and from the International Space Station (ISS). This situation may change… Continue reading American crewed spaceflight in 2019
Explaining Science 