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  2. Einstein, in a one-and-a-half-page hand-written German-language letter to philosopher Eric Gutkind, dated Princeton, New Jersey, 3 January 1954, a year and three and a half months before his death, wrote: "The word God is for me nothing but the expression and product of human weaknesses, the Bible a collection of venerable but still rather ...

  3. Bohr–Einstein debates - Wikipedia

    en.wikipedia.org/wiki/Bohr–Einstein_debates

    Einstein was the first physicist to say that Max Planck's discovery of the energy quanta would require a rewriting of the laws of physics.To support his point, in 1905 Einstein proposed that light sometimes acts as a particle which he called a light quantum (see photon and wave–particle duality).

  4. Einstein's thought experiments - Wikipedia

    en.wikipedia.org/wiki/Einstein's_thought_experiments

    Rather, he argued that mass-energy equivalence was a necessary and sufficient condition to resolve the paradox. In his demonstration, Einstein provided a derivation of mass-energy equivalence that was distinct from his original derivation. Einstein began by recasting Poincaré's abstract mathematical argument into the form of a thought experiment:

  5. Findings by dark energy researchers back Einstein's ... - AOL

    www.aol.com/news/findings-dark-energy...

    The researchers used a year of observations by the Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory in Arizona, which can capture light from 5,000 galaxies simultaneously.

  6. Albert Einstein - Wikipedia

    en.wikipedia.org/wiki/Albert_Einstein

    (Einstein was formally awarded his PhD on 15 January 1906.) [79] [80] [81] Four other pieces of work that Einstein completed in 1905—his famous papers on the photoelectric effect, Brownian motion, his special theory of relativity and the equivalence of mass and energy—have led to the year being celebrated as an annus mirabilis for physics ...

  7. Annus mirabilis papers - Wikipedia

    en.wikipedia.org/wiki/Annus_Mirabilis_papers

    The Einsteinhaus on the Kramgasse in Bern, Einstein's residence at the time. Most of the papers were written in his apartment on the first floor above the street level. At the time the papers were written, Einstein did not have easy access to a complete set of scientific reference materials, although he did regularly read and contribute reviews to Annalen der Physik.

  8. Scientists Finally Manipulate Quantum Light, Fulfilling ... - AOL

    www.aol.com/lifestyle/scientists-finally...

    Albert Einstein's stimulated emission theory has been validated by large amounts of light, but never before by individual photons—until now. Scientists Finally Manipulate Quantum Light ...

  9. Conservation of mass - Wikipedia

    en.wikipedia.org/wiki/Conservation_of_mass

    The law of conservation of mass and the analogous law of conservation of energy were finally generalized and unified into the principle of mass–energy equivalence, described by Albert Einstein's equation =. Special relativity also redefines the concept of mass and energy, which can be used interchangeably and are defined relative to the frame ...