Sir Isaac Newton PRS MP ( 25 December 1642 – 20 March 1727[1]) was an English physicist and mathematician (described in his own day as a "natural phil …
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist. He developed the general theory of relativity, one of the two …
Quotes by Albert Einstein, our Father of modern theoretical physicist and Nobel Prize Winner!Read what he has to say about Success, Science, Gravitati …
Let´s start from 1 december. Together with Fiete you are waiting for christmas eve. Till then you unwrap a little present every day.*** Suitable from …
Kindergarten Sight Words features multiple interactive activities to introduce and practice use of high frequency words critical for reading. High fre …
Save your currency/temperature/unit conversions for future reference. See all your conversions at once instead of one at a time.Supports common unit c …