New power supply unit lets electrical devices live longer

From the charging unit for smartphones to the power supply of the laptop or washing machine to LED lights or charging stations of electric cars – switching power supplies are omnipresent in electrical devices. They convert ...

Flash photography doesn't harm seahorses – but don't touch

We all enjoy watching animals, whether they're our own pets, birds in the garden, or elephants on a safari during our holidays. People take pictures during many of these wildlife encounters, but not all of these photographic ...

What Paris shows us about the history of photography

Imagine a photo of Paris you've seen before, whether it's the Eiffel Tower or an urchin carrying a baguette. Have you ever considered the story behind that picture—why it was taken, and why it's in circulation today?

Lifespan of new solar cell technologies to increase tenfold

Armi Tiihonen defended her doctoral dissertation at Aalto University 6 April 2018 on the ageing of new kinds of perovskite and dye-sensitised solar cells. She has developed ways to increase the lifetime of solar cells and ...

How to take photos of Earth while whizzing past at 17,000 MPH

When you're flying above Earth in a spaceship or space station, taking a clear picture below is more than a point-and-shoot job. As NASA astronaut Don Pettit explains in this video, you need to account for the motion of your ...

page 3 from 8