[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster. He used a delta printer with flexible filament and documented his process in the video below. If you ...
Concrete, the second-most-used material on Earth, generates about four times more CO2 emissions than planes. MIDDLESBROUGH, England — Behold one of the world’s greatest slag heaps: A towering ...
A previous version of this article incorrectly included North Carolina among four swing states in which The Washington Post's polling averages show Harris ahead. That fourth state is Wisconsin.