GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
At the age of 15, after hearing of a friend in the Philippines was failing her classes because her home didn’thave light to study by, Makosinski invented a fashlight that gets its energy from the ____ to power a flashlight.
A
sun
B
bicycle pedals
C
human hand
D
organic plants
Explanation: 

Detailed explanation-1: -Hollow Flashlight harvests energy from the human hand to power itself. It does not used battery to produce kinetic energy. Hollow Flashlight is composed of four Peltier tiles mounted on a hollow aluminum tube and enclosed with a larger PVC pipe that has an opening to allow ambient air to cool the tube.

Detailed explanation-2: -Basically, the flashlight is a series if LED bulbs that rely on the thermoelectric effect to generate electricity when held. This is done through a series of devices that are known as Peltier tiles, which produce electricity when heated on one side and cooled on the other.

There is 1 question to complete.