NEW YORK - JUNE 27: SAT test preparation books sit on a shelf at a Barnes and Noble store June 27, 2002 in New York City. College Board trustees decided June 27 to add a written essay and other ...

When President Joe Biden was campaigning for office, he said that to beat the coronavirus, the U.S. needed the testing equivalent of President Franklin D. Roosevelt’s War Production Board. That board ...

There are many misunderstandings regarding how the type of manufacturing technology used in the assembly of printed circuit boards (PCBs) relates to automated test. To dispel some of the confusion, it ...

The 20+ PCBs on board diesel locomotives survive a very tough combination of functional and environmental testing before they leave the roundhouse. Like automobiles, locomotives have become high-tech ...

A switch-matrix board that routes any of eight programmable voltage signals to any of 96 output pins. The board generates digital patterns up to 20 MHz and 30 kV and has 36 Mbytes of memory. Four ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. When President Joe Biden was campaigning for office, he said ...