- The
Archimedean spiral (also
known as the
arithmetic spiral) is a
spiral named after the 3rd-century BC Gr****
mathematician Archimedes. It is the locus...
- The
Archimedes' ****, also
known as the
Archimedean ****,
hydrodynamic ****,
water **** or
Egyptian ****, is one
of the
earliest hydraulic machines...
-
of a
spiral.
Archimedes'
other mathematical achievements include deriving an
approximation of pi,
defining and
investigating the
Archimedean spiral,...
- On
Spirals (Gr****: Περὶ ἑλίκων) is a
treatise by
Archimedes,
written around 225 BC. Notably,
Archimedes emplo**** the
Archimedean spiral in this book to...
- {\frac {rp_{c}}{p}}\right)=0.} As an
example take the
logarithmic spiral with the
spiral angle α: r = a e cos α sin α θ . {\displaystyle r=ae^{{\frac...
- The Ulam
spiral or
prime spiral is a
graphical depiction of the set
of prime numbers,
devised by
mathematician Stanisław Ulam in 1963 and po****rized...
-
mathematics of these are
similar but the
biology differs. He
describes the
spiral of Archimedes before moving on to the
logarithmic spiral,
which has the...
- The
Archimedean spiral,
studied by
Archimedes as a
method to
trisect an
angle and
square the circle. The
spiric sections,
sections of tori
studied by...
-
of the stars, how the
fiery brightness of the sun is darkened, and how the
stars retreat at
fixed times."
Pappus states that the
spiral of Archimedes...
- when this
genus became extinct.
Archimedes is a
genus of fenestrate bryozoans with a
calcified skeleton of a
delicate spiral-shaped mesh that was thickened...
