One typical instance of technology that does not require electricity is solar-powered calculators. These calculators are run on solar cells, which transform sunshine into electricity. The calculator ...

After decades of trying, consumer electronics companies are rolling out a solar technology that mimics photosynthesis in plants. It lets devices charge indoors and, in some cases, can eliminate ...

Remember solar-powered calculators? A company is using this long-known technology to create consumer products that billions of people use daily. The discovery of dye-sensitized solar cells (DSSC) in ...

Every six seconds, in a factory on the northern fringes of Stockholm, a top secret printer is spewing out sheets worth thousands of euros apiece. Each one contains 108 miniature solar cells that will ...

The aptly named Ambient Photonics wants to end the reliance of low-power devices on batteries, and the company is showcasing a solar cell at CES that it believes is up to the job. With its ...

When one consumer discovered their calculator's "solar panel" was just a plastic decoration, it sparked a conversation online about misleading product features and our trust in everyday technology. A ...

In a factory on the outskirts of Stockholm, a top-secret printer churns out thousands of euros worth of solar cells every six seconds. These miniature solar cells, produced by Exeger, are set to ...

Fully solar-powered handheld gadgets have so far mostly been limited to ultra-low power devices like clocks, thermometers and calculators. Anything more complicated than that will generally have a ...