A flawed transfer from inventors to the field is not the only danger. Transfer in the other direction is equally important. No product works perfectly the first time. If feedback from the field is ignored by inventors, initial enthusiasm can rapidly fade, and a promising program will be dropped. Early aircraft radar, for example, was practically useless; pilots ignored it. Bush made sure that pilots went back to the scientists and explained why they weren’t using it. The reason had nothing to do with the technology: pilots in the heat of battle didn’t have time to fiddle with the complicated
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