A Waseda University (Tokyo) research group has developed a polymer which can store hydrogen in a light, compact and flexible sheet, and is safe to touch even when filled with hydrogen gas.

The main drawback at present is the capital cost

"We are seeing a snapshot of the assembly of that galaxy 11.5 billion years ago."

Deep down, beneath the bottom of the ocean, hydrogen gas (H₂) is forming.

Hydrogen has a dark side.

They sustained hydrogen plasma for 102 seconds!

It was found at pressures 3.25 million times that of Earth’s atmosphere.

 (And why it may not be what North Korea exploded)