Three engineers walk into a bar.
The punchline won’t do any favors for your next stand-up set, but what followed may one day find its place in start-up folk history alongside the Silicon Valley garage. It was 2010, and Israeli engineer Yariv Bash had just posted a bold invitation on his Facebook wall. “I’m going to the Moon – who wants to join me?” Kfir Damari and Yonatan Winetraub took the bait, meeting Bash for a beer. Soon, the three were sketching spacecraft designs on napkins,