We are much more able to "tune out" chronic background noise, even if it is quite loud, than to work under circumstances with unexpected intrusions of noise.
What also struck Dr Marlow, however, was that the number of people on an individual's friend list with whom he (or she) frequently interacts is remarkably small and stable.
The cathode and anode inks are formulated with viscosities and surface areas ideal for screen-printing electrodes onto the electrolyte layer of ceramic devices.
Now this radiation field is quite uniform but does have slight warm and cool spots that tell us a great deal about the early universe that could have imprinted them.