Science

1869.03.06 ~ 1869

table systematically placing elements based on atomic number and recurrent properties

1894

dispersion of the values ​​of a random variable around its expected value

1794

probability distribution

≈250 BC ~ 250 BC

constant ratio of the circumference of a circle to its diameter

1687.07.05 ~ 1687

classical formulation of Mechanics by Isaac Newton

1900

fundamental theory in physics describing the properties of nature on an atomic scale

300 BC

positive integer with exactly two divisors, 1 and itself

1916

expectation of the squared deviation of a random variable from its mean

1763

theorem describing the probability of an event based on prior knowledge of conditions that might be related to the event

1827

relationship between voltage and current across an ideal resistor

1905

two interrelated physics theories by Albert Einstein

≈1614 ~ 1614

inverse of the exponential function, which maps products to sums

1896

statistical principle about ratio of effects to causes

1886.11.13 ~ 1886

form of energy emitted and absorbed by particles which are charged which shows wave-like behavior as it travels through space

1738

principle relating to fluid dynamics

1824

law of physics stating that systems spontaneously evolve towards states of higher entropy

1916

standard and classical physics theory of gravity and space

1748

mathematical formula in complex analysis that establishes the fundamental relationship between the trigonometric functions and the complex exponential function

1897

subatomic particle with negative charge

1879

electric light using a wire filament heated by a current passing through it, until it glows

≈900 ~ 900

explosive most commonly used as propellant in firearms

1801

experiment in quantum mechanics that shows wave–particle duality

1876

telecommunications device that permits two or more users to conduct a conversation

1920

subatomic particle with positive charge

1900

science of genes, heredity, and variation in living organisms

1676

empirical physical law of mechanics that the force on a spring is proportional to its displacement

1905

physical theory of measurement in an inertial frame of reference proposed in 1905 by Albert Einstein

1887

emission of electrons when light hits a material

1859

conjecture in mathematics linked to the repartition of prime numbers

1597

handgun with a cylinder containing multiple chambers and at least one barrel

1875

a physical law that states the electric force between two point charges is proportional to the product of the charges and inversely proportional to the square of the distance between them.

1842

frequency change of a wave for observer relative to its source

1687

classical mechanics physical law

1609

scientific laws describing motion of planets around the Sun

1637

theorem in number theory that there are no nontrivial integer solutions of xⁿ+yⁿ=zⁿ for integer n>2

1831

basic law of electromagnetism of magnetic fields inducing a potential difference

1839

scientific theory that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells

1824

statement of conservation of energy as it applies specifically to a thermodynamic system or process

1822

decomposition of periodic functions into sums of simpler sinusoidal forms

1913

aircraft class designed to engage other aircraft in air-to-air combat

1590

instrument used to see objects that are too small for the naked eye

1827.01.01 ~ 1827

the random motion of particles suspended in a fluid resulting from their collision with the quick atoms or molecules in the gas or liquid

1837

law of physics and chemistry

1698

machine designed to produce mechanical energy from another form of energy

1852

device for measuring or maintaining orientation and direction

1814

railway locomotive that produces its pulling power through a steam engine

1865

type of biological inheritance

1811

smallest possibile amount of a chemical substance

1672

calculus theorem describing the duality of differentiation and integration

1694

rule that uses derivatives to help evaluate limits involving indeterminate forms

1543

astronomical model in which the Earth and planets revolve around a relatively stationary Sun at the center of the Solar System

≈450 BC ~ 450 BC

assertion that the Earth is (at least approximately) spherical

1915

field equations in general relativity

≈1560 ~ 1560

theory that Earth is the centre of the Universe

1835

foundational law of electromagnetism

1631

auxiliary scale of a measurement device, that aids to increase measurement precision

1756

scientific law that a closed system's mass remains constant

1834

electromagnetic phenomena where changing magnetic fields induce currents with opposing fields

60

formula for calculating the area of a triangle

1905

law of physics stating that the entropy of a perfect crystal at absolute zero is exactly equal to zero