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At least 20 universities have banned or restricted hoverboards on their campuses in recent weeks, saying the two-wheeled, motorized scooters are unsafe. Beyond the risk of falls and collisions, colleges are citing warnings from federal authorities that some of the self-balancing gadgets1 have caught on fire.
最近几周，至少20所高校都以不安全为由，禁止学生在校园内使用电动滑板——一种驱动型两轮滑板车。除了担心学生摔倒或引发碰撞，校方的另一个忧虑来自美国政府的预警：这种自平衡装置易引发火灾。
"It's clear that these things are potentially dangerous," said Len Dolan, managing director of fire safety at Kean University in New Jersey2. The public school of 14,000 students issued a campus-wide ban this week, telling students in an email that any hoverboards found on campus would be confiscated3.
"These things are just catching4 fire without warning, and we don't want that in any of our dorms," Dolan said.
Outright5 bans also have been issued at schools such as American University and George Washington University, both in Washington, D.C. Other schools said they will forbid the scooters in dorm rooms or campus buildings, a policy adopted at colleges including Louisiana State University, the University of Iowa and the University of Arkansas.
After banning hoverboards from dorms in December, officials at the University of Hartford in Connecticut are now considering a full ban because of concerns over how to store them safely, said David Isgu, a school spokesman. Some of the reported fires have occurred while the boards were being charged.
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