Ms. Zhao commutes from the Xi'an High-tech Zone to the northern suburbs almost daily by bus. Recently, she has been experiencing what she calls "electric shocks" on the bus. "There are many people in the car, and when someone grabs the handrail, they quickly pull their hand back because they feel a tingling sensation," she explained. She knows it's static electricity, but the increasing frequency of these shocks has started to worry her. The feeling of static has become more intense over time, and she now avoids touching the handrails altogether.
To reduce the effects of static electricity, Ms. Zhao started wearing gloves while riding the bus and used fabric softener at night. However, she said the results were minimal. "Static electricity can even ignite dangerous substances. If someone is carrying hazardous materials on the bus, it could be very dangerous," she warned.
To understand how much static electricity exists on buses, the author took a ride on a Xi'an city bus. Boarding Bus No. 603 at Nanmen Station, the author stood on the stairs between the first and second floors, holding onto the handrails. As the bus moved, the author felt a noticeable static charge on the body. In some cases, visible sparks could be seen. Passengers on the lower level also commented on the static electricity.
Later, the author took a minibus (No. 504) from Xiaozhai. When handing money to the driver and receiving the ticket, the author was once again shocked—another instance of static electricity at play.
In winter, static electricity isn't limited to just holding onto handrails or exchanging money. It can happen when pressing a computer button, or even when taking off clothes at home. Some people even wake up with their hair standing on end due to static buildup.
According to a technician from the Xi'an Bus Company, most buses are equipped with anti-static devices such as electrostatic strips. Many armrests are made of plastic, and the company regularly asks cleaners to wipe the seats and armrests with wet cloths after each trip.
The staff also advised passengers to avoid wearing synthetic clothing, as it tends to generate more static. They recommended wearing pure cotton instead. Additionally, they suggested touching metal objects like keys before touching anything else to discharge static electricity safely.
This issue is not just an inconvenience—it’s a real concern that affects daily life, especially in colder months. With more people using public transport, awareness and preventive measures are becoming increasingly important.
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