كتب the world as i see it albert einstein
اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
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Albert Einstein (معلومة)
Albert Einstein:- physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955) (Princeton WordNet 3.1)
