Jose Gomez-Marquez holds a sheet of paper diagnostic blocks, which can be combined to create customized diagnostic devices. (Credit: Melanie Gonick/MIT) “Our long-term motivation is to enable small, ...

This is an involved process, so we grouped the instructions into four parts. Obsidian blocks create the frame for your Nether Portal. To obtain obsidian, you need a water bucket, a diamond pickaxe, ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, economics, and public policy. Peter began covering markets at Multex (Reuters) and has ...