"The young Tesla engineer was excited. Ecstatic, in fact. It was a Saturday in October 2017, and he was working at the Gigafactory, Tesla’s enormous battery man

"The young Tesla engineer was excited. Ecstatic, in fact. It was a Saturday in October 2017, and he was working at the Gigafactory, Tesla’s enormous battery manufacturing plant in Nevada. Over the previous year, he had been living out of a suitcase, putting in 13-hour days, seven days a week. This was his first real job. And now a colleague had tracked him down to say that Elon Musk—Elon Musk!—needed his personal help..."