Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components.

Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

Lam’s curatorial work sits at the intersection of art, ecology, technology and philosophy, but far from being preachy or pessimistic, her approach is playful and, at times, mischievous.

Light therapy lamps mimic natural light to help boost mood, focus and sleep quality—and ease symptoms of SAD. Our editors ...

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