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Grand-scale Newtonian physics gravity simulator.

How a small team created the first real map of Springfield, and then lets fans walk around in it on their PCs.

So finally let's get started with the 16 Personality test. Please consider the following points before taking the test.

Earth looked very different long ago. Search for addresses upto 750 million years ago in Earth history

Your mobile device needs anti-malware software when you fell reduction of speed, unusual increase in temperature, draining battery life quickly, find mysterious calls and texts or high data consumption.

Helping show the difference between ice caps and greenery.

Fast drawing for everyone. AutoDraw pairs machine learning with drawings from talented artists to help you draw stuff fast.

a game about news cycles, vicious cycles, infinite cycles

Brilliant - Build quantitative skills in math, science, and computer science with fun and challenging interactive explorations.

When our eyes dart around the entire scene, the black dots move into and out of our visual field, making them seem as if they are flickering on and off.

Push your knowledge of the third dimension and enjoy a series of experiments that reimagine the magic of the Rubik’s Cube®.

Utilizing elements of color psychology in website design can affect your visitors mood, opinions, and even actions and decisions. Learn more...

Change is coming for every corner of the planet. Explore what your city could feel like 50 years from now.

Interactive Fluid Simulation: Interactive Fluid Simulation MIT License Copyright (c) 2017 Pavel Dobryakov Permission is hereby granted, free of charge, to any person obtaining a copy of this...

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Explore the dynamics of our changing planet over the past three and a half decades.Google Earth time lapses, from 1984 to 2018.You can watch deforestation in the Amazon, glaciers disappearing, rapid city expansion.

Drag and drop countries around the map to compare their relative size. Is Greenland really as big as all of Africa? You may be surprised at what you find! A great tool for educators.

An interactive review of the periodic table -- composed of 119 haiku

Last fall, we asked our writers and editors, and some of our favorite artists, to select the five minutes or so they’d play for friends to make them fall in love with classical music. (See the picks.) Choosing was hard, but we loved it so much that we’re bringing it back — this month, with the goal of persuading those same curious friends to love the piano, the most powerful and protean of instruments. We know you’ll make memorable discoveries, and we hope you enjoy.