BTW: A few companies that make MR spectrometers for laboratory research sell 900 MHz systems, which are = 21 Tesla (and change). People MRI's are a whole lot w

BTW: A few companies that make MR spectrometers for laboratory research sell 900 MHz systems, which are = 21 Tesla (and change). People MRI's are a whole lot weaker than many research magnets out there, today.