hoverboards are self-balancing, two-wheel boards
which are portable and rechargeable battery-powered scooters.
these scooters don't lift off the ground or hover
as their names suggest.
Each hoverboard has two small platforms between the wheels
on which the rider stands
with built-in gyroscope and sensors.
These scooters are gaining popularity
that they are gladly used by young and old alike
at home or outdoors in the park.
But a lot of incidents have been reported already
regarding the hazards of using them.
Some of them caught fire
and even exploded during charging.
Some airlines already banned them too.