Chicago boat salvage: recovering a submerged vessel (Part 1)

By some estimates, Russia has taken 1.5 million casualties in its war against Ukraine, including half a million killed since the war began. Now, as Russia runs out of recruits, it is bringing in mercenaries from far away. Special correspondent Simon Ostrovsky reports. A warning: Some images in this story are disturbing. #russia #ukraine #ukrainewar #africa #africansoldiers #soldiers #war #military #news #pbs #pbsnews

What is the hottest tube line in London? The UK has recorded its highest temperature for June since records began after the mercury hit 36C at both Wisley, Surrey, and Gosport in Hampshire. Before today, the UK's June temperature record of 35.6C in Southampton had stood since 1976. So how is London’s transport network faring? The Times tested the three hottest ones. Read more on the UK heatwave at the link #london #heatwave #uk #weather #underground

Aerospace model-based systems engineering: design change impact analysis for UAV systems

Aerospace model-based systems engineering: integrating supplier models into UAV designs