What are some unsolved problems in physics?

Mar 14, 2019 ... Einstein's nonscientific second wife, Elsa, did become ... discovered Einstein-Maric letters in the possession of Hans Albert's family. Einstein wasn't an inventor in the vein of Thomas Edison or Alexander Graham Bell, but his theories of relativity led to new ways of looking at time, space, ... This Serbian mathematician from a wealthy family is also known by the name of Mileva Einstein for being a colleague and first wife of Albert Einstein. Even now, there is no way to sail straight into the wind, but sailmakers and boat builders did figure out a way to make boats that could sail at a close ... Mar 14, 2022 ... Throughout his entire career, he was always tinkering and inventing — he invented a refrigerator, among other things. He continued to do that ... Mar 27, 2024 ... 9 Revolutionary Discoveries from Albert Einstein That Changed History11 min read · 1. Theory of Relativity · 2. Photoelectric Effect · 3. Mass- ... Read on to discover which of these traits Einstein demonstrated. He did not ... ” – Albert Einstein. Read more. Young boy with autism smiling outside ... Albert Einstein had described the special theory of relativity in 1905. The result of Einstein's thinking about light, this theory introduced brand-new ... The combination of easy-to-read text, large photographs and illustrations, and simple experiments, clearly explain Einstein's scientific work, such as the " ... Albert Einstein mathematically predicted the size of both atoms and molecules. He proved the existence of atoms by the movement of molecules in a liquid.