What the OceanGate Titanic sub disaster teaches us about technology

<p>The world learnt a lot about the perils of deep-sea exploration this week, as we slowly discovered the fate of those on board the OceanGate Titan submersible. But we've also learnt things about the use – or misuse – of technology for such high-risk missions, as FRANCE 24's Technology Editor Peter O'Brien explains.</p>