1. Moreover, even when it does so, there are knotty problems of obtrusiveness and privacy to be resolved before one could perform brain scans outside the laboratory.

2. An antenna proponent may not ask to be approved for dual mode lighting because it is more expensive to purchase and maintain. Members of the public who are concerned about the visual obtrusiveness of antenna towers because of their lighting requirements should know that a company in Québec has developed and patented a deflector that fits around the standard beacon units used for the lighting of aeronautical obstructions.