If you want to fine-tune your output, you only have to control the microscope's speed and electron volume. And even in this early testing, the results are highly accurate: as you can see above, Oak Ridge managed to create an extremely tiny version of its own logo.

There's still a long way to go before the technology is ready for prime time. The lab wrote at a resolution of 40 nanometers, while the processors in many modern PCs and phones are built on a 14-nanometer process. When it's ready, however, it could help craft highly optimized electronics that aren't practical using existing manufacturing methods.