Flying and sailing on synthetic kerosene

Producing synthetic kerosene, also called e-fuel, will be a huge economic activity in the next decades. One day, it will be cheaper to make fuel than to pump and refine oil, Maarten Steinbuch says.

The obligation to create bicycle paths

To improve safety for cyclists, we don't need a helmet obligation, Carlo van de Weijer says in his column. More and wider bicycle paths would be a better solution.

Every tweet is a tiny piece of research

Avid twitterer Eugène Franken is fast approaching 10,000 followers. He writes about the secret of a good tweet and wonders out loud if tweets also contribute to innovation.

The myth of the robotaxi

Elon Musk's achievements contribute a lot to a better mobile future. But that won't be a future with lots of robotaxis.