Tag: 上海后花园Sameena

A minute of shaking creates an hour of light in this self

first_imgThe concept is meant for underprivileged children who don’t have access to lighting and want to study – The Lampen is literally a pen with a built-in light. It doesn’t work on magic, but has a logical explanation for functioning. Simply shake the pen for a minute and using the principles of electromagnetic induction, this self-electricity-generating pen lights up for 2 hours. Use it as a stand lamp, flashlight or a pen-light, the choice is yours!Designer: Hyunsu ParkPrinciple of Self Electrcity-generatingIt is a process where a conductor placed in a changing magnetic field causes the production of a voltage across the conductor. This process of electromagnetic induction, in turn, causes an electrical current.SharePinShareFlipSharePocket888 Shareslast_img read more