It turns out you can quite literally see an analog signal if the conditions are right—and you look closely enough.
THE story of the development of any scientific instrument is an interesting one, but this is especially so when the result of the development is so universally known and used as the microscope. The ...
Fluorescence microscopy has undergone a renaissance in the last decade. The introduction of green fluorescent protein (GFP) and two-photon microscopy has allowed systematic imaging studies of protein ...