Public Safety & OSHA
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Background: Certain mountains require that climbers obtain a permit before embarking. Sometimes these can be expensive, but rarely is any mountaineering competency required. Everest permits, which are issued by the government of Nepal, cost approximately $10,000 (Wikipedia link). The issue: If too many people are crowded onto a narrow high-altitude route, disaster can result from…
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Background: In most American cities, four-way intersections with stoplights are the most common form of traffic control. The issue: As a pedestrian, these intersections are frustrating: if the stoplights are not synchronized, you’ll randomly encounter red lights while walking from block to block. But even when lights are synchronized, they are synchronized for car driving…
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Background: Every year, a large number of children accidentally poison themselves by drinking household chemicals. Cleaning products and pesticides (Figure 1) represent the cause of ~15% of poisoning cases in children under the age of 6, according to the National Capital Poison Center. The issue: To a child who is illiterate and unfamiliar with conventional…
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Background: People occasionally forget to lock the door before leaving the house, or leave a stove on by accident, or any number of other things. “Internet of Things” aficionados often suggest that you could, say, turn on and off your stove from your phone, but now someone on the Internet thousands of miles away can…
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Background: The stop sign, for all its utilitarian simplicity, has a severe and critical shortcoming: it has two different roles, both marked by the same sign (Figure 1). The two situations, and what the driver must do in each case: All-way stop: driver can casually check for other cars right there at the intersection, and…
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You won’t believe how I never fell into a bottomless pit again, thanks to this one weird trick. Podiatrists hate it! Probably.
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Background: One of the leading causes of sidewalk-based injury is tripping on uneven pavement and/or falling into a manhole. Figure 1 illustrates one of the dangers inherent in modern sidewalks. This danger has become even more pronounced now that people are more likely to be looking at their cell phones as they walk. Fig. 1:…
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Background: Sometimes, your coworkers will come to work with obvious contagious diseases, coughing everywhere and spreading disease and pestilence throughout the land. Proposal: The best situation in this situation is for you or your boss to say “hey you, sick individual, go home!” This should save time and money by preventing others from getting sick, but is…
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Background: The optimal tradeoff between privacy and security is a topic that is endlessly debated. In the past, omnipresent surveillance was not feasible—but technology is now at the point where implementation of a 1984-esque surveillance state is actually possible. On the one hand, it would be theoretically convenient to have immediate response to crimes and/or…
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Background: Doorstops are pretty convenient for holding doors open. Fig. 1: A doorstop. Or a wedge of cheese. OR PERHAPS BOTH?? The issue: But sometimes, propping open a door is FORBIDDEN due to fire regulations—the door might need to be closed in order to slow the spread of fire (Fig. 2). Although there exist magnetic…
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The issue: There are a few diseases that are making a comeback, despite the fact that vaccines exist for them. Polio is an especially dire example. There are many reasons for this, some of which are: 1) In disease-free areas, these diseases are unknown and thus have no power to terrify. 2) In some remote…
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