Yanko Design

A minute of shaking creates an hour of light in this self electricity generating pen

The 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 Park

Principle of Self Electrcity-generating

It 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.

Radhika Seth
Radhika Seth is a design and technology writer with over 18 years of experience covering products, innovation, and the ideas shaping design. She serves on the jury of international design competitions, including the iF Design Award, and hosts Yanko Design’s Design Mindset podcast. A former Ogilvy advertising professional, she has also taught Communication and Design Journalism, bringing together her experience across design, storytelling, brands, and media.
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