The German dirigibles had a rigid frame and were filled with explosive hydrogen.

Zinc corrosion can produce potentially explosive hydrogen.

In reaction with water or Brønsted acids the highly toxic and explosive hydrogen azide is released.

The balloon crews would fight their battle high in the sky, hanging helplessly from a couple of million cubic feet of highly explosive hydrogen.

Nothing that might endanger the violently explosive hydrogen.

A bigger problem," said Hazelius, "is that some of the detectors are filled with explosive liquid hydrogen.

Venting of explosive hydrogen and oxygen gases is also necessary.

We could use fuel cells, but that could require storing compressed and highly explosive hydrogen in your notebook computer.

The floating balloons released by the plants are full of explosive hydrogen, and when a fire hits, they explode like bombs, releasing seeds flying through the air.

It's great size meant it was often victim to weather, and as the Germans used highly explosive hydrogen as a lifting agent, stringent fire protection was a must.