The things we’ve been concerned with in the last three articles draws a very good picture for String Theory. It gives us a number of predictions that clearly distinguish it from the Standard Model, and from other theories of quantum gravity, such as Loop-Quantum Gravity and a few others. Not only that, but it unifies […]Read more "String Theory – part 9: Road to Experimental Proof"
cover credit: pinterest.com In his Special and General theories of Relativity Einstein resolved two of the three main conflicts in physics. And his theories radically changed our understanding of the Universe. String Theory, in turn, allowed physicists to find the resolution to the third contradiction which had remained, arguably, the most important and most challenging […]Read more "String Theory – part 8: Hidden Dimensions"
After the expedition of Sir Arthur Eddington had confirmed the prediction of General Relativity about the deviation of starlight’s straight path due to the gravitational pull of the Sun, one of Einstein’s students asked him how he would react if the prediction weren’t confirmed. Einstein answered: “Then I would feel very sorry for the dear […]Read more "String Theory – part 7: Supersymmetry"
These are the opening words to David Bowies brilliant song Life on Mars and although the song is great Bowie couldn’t have been more wrong. As I write this Europe’s latest mission, ExoMars has just been launched by a Russian Proton rocket and is on its way to the Red Planet to look for the […]Read more "A God-Awful Small Affair!"
After I had written about how we think the Universe got started I realized that we had left off with a Universe consisting only of gas and radiation. That it came into being at all is pretty amazing but to be honest, a ball of hot gas and energy isn’t very useful, especially if […]Read more "Once Upon a Time. The Sequel!"
The Standard Model of particle physics describes all elementary particles as point-like objects. Hence, they neither extend in any direction nor possess any internal structure. Despite its tremendous success in predicting any physical phenomena in particle physics, we can be sure that it is incomplete since it describes only three interactions, leaving gravitational interaction behind. […]Read more "String Theory – part 6: The Basic Principles"
Let’s go right back to the begining, or at least try to, where did the Universe come from? How did it get here? We once thought, well just assumed really because it seemed to have always been there, that the Universe was eternal and unchanging. This is understandable as nothing seemed to have changed “up […]Read more "Once Upon a Time…"