antenna
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The issue: Using a cell phone outdoors can present two main problems, as shown in Figure 1. Specifically, you may be far from a tower (and thus, get poor reception) and the harsh light of the noon sun may make it very difficult to read the text on your phone, especially with the recently-popularized “dark…
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The issue: When parking on the street or in an enormous shopping center parking lot, it can be easy to lose track of exactly where one’s car is parked. Since cell phones constantly record a person’s GPS location as a standard feature (if you are not familiar with this, look up “iPhone Track location”—the images are…

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