Test Instructions News Today

>> reporter: the test instructions say findings must be confirmed by a second laboratory test. but miller says in many cases, thats not happening. especially harmful, he says considering many of the tests are done at night. >> you can imagine that that situation can lead to a lot of sort of bad reads. >> reporter: of those 30,000 mistaken arrests, the study finds nearly 90% result in a wrongful conviction. >> at this point, its the largest known specific single factor leading to wrongful convict...

Home of the original IBM PC emulator for browsers. PCjs offers a variety of online machine emulators written in JavaScript. Run DOS, Windows, OS/2 and other vintage PC applications in a web browser on your desktop computer, iPhone, or iPad. An assortment of microcomputers, minicomputers, terminals, programmable calculators, and arcade machines are available, along with an archive of historical software and documentation.