1Helical Blade Turbineless Gas Jet Engine (opens in new tab)(youtube.com)Video1skellyclock3y ago0Save
3Looks like jumptrading ended up with wormhole.comDiscussed about 4 months ago on HN: https://news.ycombinator.com/item?id=31226663Anyone have any more info?show more1skellyclock3y ago0Save
