“the entropy of an isolated system always increases, and that when two systems are joined together, the entropy of the combined system is greater than the sum of the entropies of the individual systems.”
― A Brief History of Time
― A Brief History of Time
“Normally, the energy of the particle is still positive, but the gravitational field inside a black hole is so strong that even a real particle can have negative energy there. It is therefore possible, if a black hole is present, for the virtual particle with negative energy to fall into the black hole and become a real particle or antiparticle.”
― A Brief History of Time
― A Brief History of Time
“I had no desire to share the fate of Galileo, with whom I feel a strong sense of identity, partly because of the coincidence of having been born exactly 300 years after his death!”
― A Brief History of Time
― A Brief History of Time
“Glaube mir, man kann das für Stärke des Geistes halten, was doch am Ende Verzweiflung ist [...].”
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“Each day we go to our work in the hope of discovering,—in the hope that some one, no matter who, may find a solution of one of the pending great problems,—and each succeeding day we return to our task with renewed ardor; and even if we are unsuccessful, our work has not been in vain, for in these strivings, in these efforts, we have found hours of untold pleasure, and we have directed our energies to the benefit of mankind.”
― Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
― Experiments with Alternate Currents of High Potential and High Frequency A Lecture Delivered before the Institution of Electrical Engineers, London
Cardio’s 2025 Year in Books
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