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Vor 4 Tagen · Achilles and the Tortoise Paradox. The Greek philosopher Zeno of Elea, who lived in the 5th century BC, is popular for introducing many famous paradoxes. One great example of these is the Paradox of Achilles and the Tortoise. In this paradox, the great mythological warrior Achilles is in a footrace with a tortoise.
Vor 4 Tagen · The Night of the Hunter is a classic film that has captivated audiences since its release in 1955. Directed by Charles Laughton, this psychological thriller has become a beloved and influential piece of cinema history. From its haunting visuals to its gripping storyline, there is no shortage of reasons why this film continues to leave a lasting impression on viewers. In this article, we will ...
Vor 4 Tagen · Pennies were struck in Philadelphia, Denver and San Francisco in 1949. And in every case, the finest examples to have been certified to date are graded MS67+. The value of a Philadelphia 1949 penny at that grade is $9,000. For a Denver penny, it’s $7,000. And for a San Francisco penny, it’s $1,300.
Vor 5 Tagen · Quantum mechanics is deemed the hardest part of physics. Systems with quantum behavior don’t follow the rules that we are used to, they are hard to see and hard to “feel”, can have controversial features, exist in several different states at the same time – and even change depending on whether they are observed or not.
Vor 2 Tagen · Classical mechanics is concerned with bodies acted on by forces and bodies in motion and may be divided into statics (study of the forces on a body or bodies not subject to an acceleration), kinematics (study of motion without regard to its causes), and dynamics (study of motion and the forces that affect it); mechanics may also be divided into solid mechanics and fluid mechanics (known ...
Vor 3 Tagen · Proponents of string theory will often point to the fact that, among other things, it demonstrably reproduces the established theories of general relativity and quantum field theory in the appropriate limits, which loop quantum gravity has struggled to do. In that sense string theory's connection to established physics may be considered more reliable and less speculative, at the mathematical ...
Vor 5 Tagen · Namely that the wavefunction, which tells you the probability of each outcome, never collapses. It says nothing about the wavefunction giving a non-zero result when you plug in impossible configurations. Assuming you prepared the Bell state perfectly, a wavefunction satisfying. ψ(1) = ψ(6) = ψ(11) = ψ(16) = 0 ψ ( 1) = ψ ( 6) = ψ ( 11 ...
