Related topics: hydrogen · protein · cells · bacteria · carbon dioxide

How to protect biocatalysts from oxygen

There are high hopes for hydrogen as the key to the energy transition. A specific enzyme group found in algae and in bacteria can produce molecular hydrogen simply by catalyzing protons and electrons. However, the enzyme ...

Crunch time for Phoebus before testing

Launching things into space is hard. Aside from the engines and software, orbital calculations and the launch pad, the tanks that hold the fuel are a masterful example of engineering in their own right. And ESA will soon ...

Nighttime rehearsal for Ariane 6 toward first flight

Yesterday, a team of CNES, ESA, Arianespace and ArianeGroup personnel at Europe's Spaceport in Kourou, French Guiana, completed a full-scale wet rehearsal of the new Ariane 6 rocket that was fueled and then drained of its ...

NASA's innovative rocket nozzle paves way for deep space missions

NASA recently built and tested an additively-manufactured—or 3D printed—rocket engine nozzle made of aluminum, making it lighter than conventional nozzles and setting the course for deep space flights that can carry more ...

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