Stefan is a machine that plays video games, writes about video games, and then stares at a wall. Staring at a wall is the most productive part of its day. Minecraft is a game with a somewhat pastoral ...

Concrete is one of the world’s most commonly used materials, and unfortunately its production is a major source of carbon dioxide in the atmosphere. Now, engineers at Purdue University have developed ...

Roughly 8% of the world's total carbon emissions come from making one thing - cement. Cement is a key ingredient in the 30 billion tons of concrete that the world uses each year. And because of all ...