Minimizing ammonia fuel emissions

New simulations indicate that swirling ammonia in combustion chambers can help reduce harmful emissions – insight that may help on-going efforts to develop ammonia as a carbon-free fuel source.

Exploring greener approaches to nitrogen fixation

About half of the nitrogen in our bodies today comes from bacteria via the enzyme nitrogenase, which converts, or "fixes," unreactive nitrogen gas in the atmosphere into a form that plants can use for growth. The other half ...

Image: Airway monitoring experiment for astronauts

In recognition of World Asthma Day, here is ESA astronaut Alexander Gerst preparing to take preflight measurements for the Airway Monitoring experiment, which looks into inflammation of the airway.

Finding trace material in waste materials

Last year Empa's inorganic analytics lab was granted the status of "Reference Laboratory" within the scope of the ProSUM project, funded by the EU. Fine-grained samples of shredder waste from scrapped cars, e-waste or mine ...

Snatching at the cradle of life

Silence of the WA outback key in detecting low-frequency radio waves and, maybe, the precursors of life itself.

page 9 from 16