More affordable than ever, 3D printers are booming for personal, professional, and educational use. Here's everything to know before you buy one, along with the top models from our hands-on testing.

Today's affordable 3D printers will likely surprise you: You can get a smooth-working machine with useful features once found only in high-end models. Starting at just $250, these are the top ...

Getting the best 3D printer for your dream project is key to having it done right. Here's what you need to know. James has been writing about technology for years but has loved it since the early 90s.

By The Learning Network A new collection of graphs, maps and charts organized by topic and type from our “What’s Going On in This Graph?” feature. By The Learning Network Want to learn ...

By incorporating graphene into a limestone and calcined clay cement mix, the team has significantly reduced the carbon ...

A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of radius R (see black circle below). We assume that the ...

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...

This chart shows the price only in USD. What is The Graph (GRT)? Simply put, The Graph helps pull and organize in-depth information from the Ethereum blockchain. The Graph incorporates a token ...

Whether you're brand new to 3D printing or have been wanting to invest in your own printer for a while, these machines are not as expensive as you might think. Whether you want to prioritize print ...

The rise of the consumer 3D printer has yielded amazing devices for designers, engineers, hobbyists, tinkerers, and schools alike. I've been reviewing 3D printers for PCMag since the first widely ...