Since the debut of Bitcoin in 2009, the cryptocurrency market has taken the world by storm. Today, cryptocurrencies are becoming an essential part of our everyday lives most especially when it comes to our financial transactions. Thus, more and more people are getting interested in it. (more…)
Scientists discovered in 1937 that liquid helium-4, when chilled to extremely low temperatures, became a superfluid that could leak through glass, overflow its containers, or eternally gush like a fountain.
Future Nobel laureate Lev Landau came along in 1941, predicting that superfluid helium-4 should contain an exotic, particle-like excitation called a roton. But scientists, including Landau, Nobel laureate Richard Feynman and Wolf Prize recipient Philippe Nozières have debated what structure the roton would take ever since. (more…)
