method
active
method:ratchet-mechanismRatchet Mechanism
Physical principle of stable states separated by energy barriers, allowing discrete jumps; exemplified in clocks, switches, molecular isomerism, and life.
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Thinkers (2)
thinker
- Lionel PenrosestudiesDemonstrated multi-stable mechanical systems ('droguli') in 1959/60 Oxford lecture, illustrating ratchet and construction principles relevant to life.
- Peter HoffmannstudiesResearcher on molecular machines and ratchet mechanisms extracting order from chaos; modern development of Schrödinger's ideas.
Concepts (1)
concept
- Multi-Stability (Toggle Switch)associated_withA system with multiple stable states separated by energy barriers, used as an analogy for isomeric molecules.
Claims (1)
claim
- Quantum mechanics is essential for explaining long-term stability of genetic structures against thermal perturbation.associated_withCentral claim: without quantum-mechanical energy thresholds and discrete states, hereditary information could not survive across generations.
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