Introduction The idea of electric propulsion for ships stretches back nearly 200 years to a Prussian electrical engineer and physicist, Moritz Hermann von Jacobi, who deduced the maximum power theory and, later, built a 28-foot paddle boat for Tsar Nicholas I. This ferry, in 1838, was powered by lead zinc batteries and was able to…
Introduction After releasing an article into the world, most authors experience a brief mixture of anxiety, excitement and trepidation. Will our readers like it? Will they find it useful? Will people think I am a plonker? More importantly, will my mother still love me? Usually, yes to all of the above. Although she occasionally has…
Six major non US satellite markets are building sovereign systems for connectivity navigation Earth observation and defence Introduction There are now many thousands of active satellites circling Earth, accompanied by spent rocket stages, defunct spacecraft and fragments of debris. The precise total depends on whether one counts active payloads, inactive objects or everything tracked in…
This week, I’m joining countless others heading to Berlin for InnoTrans 2026! Over the last few months, my focus has been on expanding Valour’s land mobility portfolio, with The Future of Connectivity in Mining – 2026 due to publish very soon. But I’m looking forward to stepping back into the rail domain, catching up with…
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