Newton's metal
Low-melting-point alloy of bismuth, lead and tin
Newton's metal is a fusible alloy with a low melting point. Its composition by weight is 8 parts bismuth, 5 parts lead and 3 parts tin; its melting point is 97 °C.
Newton's metal is comparable to Cerrobend, but avoids its toxic cadmium content. This has encouraged its use for medical applications for easily shaped shielding during radiotherapy.[1]
References
- ^ Kamal, M.; Moharam, B. M.; Farag, H. I.; El-Bediwi, A.; Shosha, Hany A.; Aboshieasha, H. F. (2007). "Newton's metal as a new home-made shielding material". Radiation Effects and Defects in Solids. 162 (1). Taylor & Francis: 53–57. Bibcode:2007REDS..162...53K. doi:10.1080/10420150601045382. S2CID 96975665.
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Sir Isaac Newton
- Fluxions (1671)
- De Motu (1684)
- Principia (1687)
- Opticks (1704)
- Queries (1704)
- Arithmetica (1707)
- De Analysi (1711)
- Quaestiones (1661–1665)
- "standing on the shoulders of giants" (1675)
- Notes on the Jewish Temple (c. 1680)
- "General Scholium" (1713; "hypotheses non fingo" )
- Ancient Kingdoms Amended (1728)
- Corruptions of Scripture (1754)
- Bucket argument
- Newton's inequalities
- Newton's law of cooling
- Newton's law of universal gravitation
- Newton–Cartan theory
- Schrödinger–Newton equation
- Newton's laws of motion
- Newtonian dynamics
- Newton's method in optimization
- Gauss–Newton algorithm
- Newton's rings
- Newton's theorem about ovals
- Newton–Pepys problem
- Newtonian potential
- Newtonian fluid
- Classical mechanics
- Corpuscular theory of light
- Leibniz–Newton calculus controversy
- Newton's notation
- Rotating spheres
- Newton's cannonball
- Newton–Cotes formulas
- Newton's method
- Newton fractal
- Newton's identities
- Newton polynomial
- Newton's theorem of revolving orbits
- Newton–Euler equations
- Newton number
- Newton's quotient
- Parallelogram of force
- Newton–Puiseux theorem
- Absolute space and time
- Luminiferous aether
- Newtonian series
- Catherine Barton (niece)
- John Conduitt (nephew-in-law)
- Isaac Barrow (professor)
- William Clarke (mentor)
- Benjamin Pulleyn (tutor)
- John Keill (disciple)
- William Stukeley (friend)
- William Jones (friend)
- Abraham de Moivre (friend)
- Newton by Blake (monotype)
- Newton by Paolozzi (sculpture)
- Isaac Newton Gargoyle
- Astronomers Monument
Isaac Newton
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