Elon Musk’s Mini-Sub Was ‘Not Practical’ for Thai Cave, Chief of Rescue Says The tech billionaire sent 10 engineers to Thailand and designed a submersible vehicle using rocket parts, but it was not used in the narrow cave. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:International Herald Tribune: 1918: Pigeons, Aviators and Lorry Drivers Help Stop EnemySouth Korean Court Orders Big Payouts to Families of Ferry VictimsA 4-Day Workweek? A Test Run Shows a Surprising ResultMyanmar’s Military Planned Rohingya Genocide, Rights Group SaysAsian Stocks Drift as Investors Await Fresh Moves on TradeIsrael Passes Law Anchoring Itself as Nation-State of the Jewish People