Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery issues before they cause trouble.

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

CATL flooded the domestic market with inexpensive, efficient batteries. It wants to do the same overseas, but European ...

Scientists have developed a new technique that doubles the amount of hydrogen produced when splitting water molecules with ...

I'm a mother of 2 who works in a research lab. These are the STEM-based toys my kids have played with the most over the years ...

A new anode-free battery design achieves record energy density using stabilized lithium metal, offering a path to longer EV ...

A hidden layer may unlock long-lasting solid-state batteries, boosting cycle life and stability after thousands of charges.

Iron-on patches can repair clothing or add personal flair to backpacks and hats. And now they could power wearable tech, too. Researchers reporting in ACS Applied Materials & Interfaces have combined ...

Street artists in Philadelphia have installed guerrilla transit signs to display bus arrival times, aiming to make SEPTA more ...

This ironed-on circuit creates a “VT” pattern that lights up LEDs, even when bent into different shapes (as shown in the middle and right images). Iron-on patches can repair clothing or add personal ...