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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<link rel="stylesheet" href="style.css" />
<title>Albert Einstein</title>
</head>
<body>
<header>
<h1>Albert Einstein</h1>
<hr />
<img
src="https://i.natgeofe.com/n/34861553-e7b4-441d-af1f-3f91b21b1755/01-einstein-other-inventions_2x1.jpg"
alt="Einstein"
/>
<!-- Einstein's saying -->
<p class="post">“Any fool can know. The point is to understand.”</p>
<hr />
</header>
<h2>life</h2>
<p>
<b>Albert Einstein</b>; 14 March 1879 – 18 April 1955) was a
German-born<br />
theoretical physicist, widely acknowledged to be one of the greatest<br />
physicists of all time. Einstein is best known for developing the
theory<br />
of relativity, but he also made important contributions to the
development<br />
of the theory of quantum mechanics. Relativity and quantum mechanics
are<br />
together the two pillars of modern physics. His mass–energy equivalence
formula<br />
<span class="eq">E = mc<sup>2</sup></span> <br />
which arises from relativity theory, has been dubbed "the<br />
world's most famous equation". His work is also known for its influence
on<br />
the philosophy of science. He received the 1921 Nobel Prize in Physics<br />
"for his services to theoretical physics, and especially for his
discovery<br />
of the law of the photoelectric effect", a pivotal step in the
development<br />
of quantum theory. His intellectual achievements and originality
resulted<br />
in "Einstein" becoming synonymous with "genius".
</p>
<p>
In 1905, a year sometimes described as his annus mirabilis ('miracle
<br />
year'), Einstein published four groundbreaking papers. These outlined
the<br />
theory of the photoelectric effect, explained Brownian motion,
introduced<br />
special relativity, and demonstrated mass-energy equivalence. Einstein<br />
thought that the laws of classical mechanics could no longer be
reconciled<br />
with those of the electromagnetic field, which led him to develop his<br />
special theory of relativity. He then extended the theory to
gravitational<br />
fields; he published a paper on general relativity in 1916, introducing<br />
his theory of gravitation. In 1917, he applied the general theory of<br />
relativity to model the structure of the universe. He continued to deal<br />
with problems of statistical mechanics and quantum theory, which led to<br />
his explanations of particle theory and the motion of molecules. He
also<br />
investigated the thermal properties of light and the quantum theory of<br />
radiation, which laid the foundation of the photon theory of light.<br />
</p>
<h2>Fast Fact</h2>
<p>
lived: 14 March 1879 - 17 April 1955 <br />
birthplace: Ulm, Württemberg, Germany
</p>
<h2>Major Discoveries</h2>
<p>
General and special relativity<br />
Gravitational waves<br />
Photoelectric effect<br />
Einstein field equations<br />
Unified field theory
</p>
<footer>
<h2>source</h2>
<p>
<a href="https://en.wikipedia.org/wiki/Albert_Einstein">wikipedia</a>
</p>
<p class="go"><a href="index.html">GO UP!</a></p>
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