Ahh, hydrogen—the simplest and most abundant element in the universe. Nearly three-quarters of the mass in the entire observable universe is believed to be made up of it. It’s also one of the ...

Hydrogen is an element; it exists naturally as a molecule. Each hydrogen molecule is made up of two hydrogen atoms. In hydrogen cars hydrogen reacts with oxygen in a fuel cell, making electricity ...

The term “hydrogen economy” refers to the vision of using hydrogen as a clean, low-carbon energy resource to meet the world’s energy needs, replacing traditional fossil fuels in various applications, ...

Bond (STScl)/M. Barstow (University of Leicester) Red giants are hot enough to turn the helium at their core, which was made by fusing hydrogen, into heavy elements like carbon. But most stars are ...

Although hydrogen is the most abundant element in the universe, it is difficult to store and distribute. Canisters of pure hydrogen are readily available from hydrogen producers, but as of now ...

hydrogen flow control systems, air compressors, cooling systems, power control and inverters, electric motors, and one of the most challenging elements—the control and interface software.