The Royal Society meeting on February 5 focused on the theory of relativity, opened by Mr. J. H. Jeans. He likened the new principle to a key in a lock, guiding efforts to unlock it, similar to the conservation of energy and the second law of thermodynamics. The foundation of the theory was laid by Einstein's hypothesis in 1905, which posited that light from any source appears to travel at the same velocity C to all observers, based on the Michelson-Morley experiment. This hypothesis explains various physical phenomena, such as the spherical wave-surface in a four-dimensional continuum. Mr. Jeans used an analogy of a race of men living in caves to explain Einstein's latest theory, where they would be unaware of the Earth's rotation and the true nature of gravity. He also discussed the spectral shift to the red and the curvature of space, emphasizing that the new law of gravitation cannot be simplified because there is no force of gravity. Prof. Eddington compared Euclidean space to a map with curved lines, illustrating that Einstein's space-time continuum cannot be accurately represented in Euclidean space. Sir F. W. Dyson spoke about the motion of Mercury's perihelion, which exceeds Newtonian calculations by 43 arcseconds, a significant unexplained phenomenon. Einstein's theory perfectly explained this excess without introducing arbitrary constants. Prof. A. Fowler discussed attempts to detect the spectral shift in the sun's spectral lines, noting that the observed shift might be due to cooler descending convection currents at the sun's center. Mr. E. Cunningham provided an example showing that the spectral shift need not occur on the equivalence hypothesis, and Prof. A. F. Lindemann discussed the recession of B-stars, suggesting it might be the Einstein effect. Prof. A. N. Whitehead presented a mathematical method to satisfy Einstein's astronomical predictions without introducing time as the fourth dimension. The article also briefly mentions the Times' enterprise of organizing a flight from London to Cape Town via Cairo, Khartoum, and other regions, highlighting the potential advancements in air travel and exploration.The Royal Society meeting on February 5 focused on the theory of relativity, opened by Mr. J. H. Jeans. He likened the new principle to a key in a lock, guiding efforts to unlock it, similar to the conservation of energy and the second law of thermodynamics. The foundation of the theory was laid by Einstein's hypothesis in 1905, which posited that light from any source appears to travel at the same velocity C to all observers, based on the Michelson-Morley experiment. This hypothesis explains various physical phenomena, such as the spherical wave-surface in a four-dimensional continuum. Mr. Jeans used an analogy of a race of men living in caves to explain Einstein's latest theory, where they would be unaware of the Earth's rotation and the true nature of gravity. He also discussed the spectral shift to the red and the curvature of space, emphasizing that the new law of gravitation cannot be simplified because there is no force of gravity. Prof. Eddington compared Euclidean space to a map with curved lines, illustrating that Einstein's space-time continuum cannot be accurately represented in Euclidean space. Sir F. W. Dyson spoke about the motion of Mercury's perihelion, which exceeds Newtonian calculations by 43 arcseconds, a significant unexplained phenomenon. Einstein's theory perfectly explained this excess without introducing arbitrary constants. Prof. A. Fowler discussed attempts to detect the spectral shift in the sun's spectral lines, noting that the observed shift might be due to cooler descending convection currents at the sun's center. Mr. E. Cunningham provided an example showing that the spectral shift need not occur on the equivalence hypothesis, and Prof. A. F. Lindemann discussed the recession of B-stars, suggesting it might be the Einstein effect. Prof. A. N. Whitehead presented a mathematical method to satisfy Einstein's astronomical predictions without introducing time as the fourth dimension. The article also briefly mentions the Times' enterprise of organizing a flight from London to Cape Town via Cairo, Khartoum, and other regions, highlighting the potential advancements in air travel and exploration.