Technological advances today permit us to scan an entire microscopic slide at high power and deliver it in a manner that mimics the use of a real optical microscope. The files, of course, are huge so it is necessary to stream only the parts needed.

• If you're not on campus, you will need a high-speed connection.
• Although there is no special viewer required, your computer must have a fairly recent web browser that supports Flash.
• Both Microsoft's Internet Explorer and Firefox seems happy with the interface, and need no special scripts.

Things to keep in mind:

• As fancy as it is, the virtual scope is not a substitute for your optical scope.
• It's great for reviewing and studying with friends, but keep in mind you will need proficiency with the traditional optical scope.
• Besides, much of your practicals exams will be with an optical scope.

Here's what the virtual scope interface looks like and how to use it.