Elon Musk has always operated 
with an extreme sense of urgency. I would like to not be dead by the time 
we go to Mars, that’s my aspiration here. This urgency to get to Mars in his lifetime is the reason he is intensely committed to 
reducing the cost of space travel. At the heart of Elon’s strategy is a unique 
metric he devised known as the “idiot index”. This approach emerged from his early 
attempts to buy refurbished ICBMs from the Russians but found their asking 
price of $8 million for one too much. Since then, he’s scrutinized every 
aspect of production - from the build to the assembly to the launch of the rocket. The term “idiot index” compares the cost of a 
rocket component to the cost of its raw materials. If an engine part costs $1,000 
but the raw material costs $100, the idiot index would be 
10:1, indicating inefficiency. Elon captured the essence of the index this 
way in a conversation with Walter Isaacson: “If the ratio is high, you’re an idiot.” This concept was put to the test in a 
memorable encounter with Lucas Hughes, the financial analyst in charge of overseeing the 
costs of the Raptor engine that powers Starship, the vehicle SpaceX is relying 
on for its mission to Mars. As recounted in Isaacson’s book, Elon asked Lucas: “What are the best parts in Raptor 
as judged by the idiot index?” Lucas responded, “I’m not sure.” Elon chewed him out: “You better be eff ing sure in the future 
you know these things off the top of your head. If you ever come into a meeting 
and do not know what are the idiot parts, then your resignation will 
be accepted immediately.” “How can you eff ing not know what 
the best and worst parts are?” Lucas replied: “I know the cost chart down to the smallest part. I just don’t know the cost of the 
raw materials of those parts.” Elon then asked, “What are the worst five parts?” When Lucas looked at his computer to see 
if he could calculate an answer, Elon said: “NO! Don’t look at your screen. Just name 
one. You should know the problematic parts.” Lucas said: “There’s the half nozzle jacket. 
I think it costs $13,000.” Elon responded: “It’s made of a single piece 
of steel. How much does that material cost?” Lucas replied: “I think a few thousand dollars?” Elon knew the right answer and said: “No. It’s just steel. It’s about two hundred 
bucks. You have very badly failed. If you don’t improve, your resignation will be 
accepted. This meeting is over. Done.” Elon didn’t know it at the time, but Lucas 
had lost his first child seven weeks before. His baby was born with complications 
and never left the hospital. Lucas later recalled to Isaacson 
that when Elon was reaming him out, “I was just trying to hold it 
together and not collapse.” His training as a gymnast taught him to 
remain calm in high-pressure situations. The following day, Lucas was back, 
and this time he was prepared. He presented the 20 worst 
“idiot index” parts for Elon. And noticed there was a theme: the worst 
parts were those that required a lot of high-precision machining, 
like pumps and fairings. When Lucas concluded, “We need to cut out as 
much of the machining as possible,” Elon smiled. He was impressed. The meeting ended with an ambitious plan to get the cost of the Raptor engine from $2 
million down to $200,000 in one year. When Isaacson later asked Elon if he felt 
he had been too harsh on Lucas, without mentioning the loss of Lucas’ baby as that was 
confidential information at the time, Elon said: “I try to criticize the action, not the person. 
We all make mistakes. What matters is whether a person has a good feedback loop, can seek 
criticism from others, and can improve. Physics does not care about hurt feelings. It 
cares about whether you got the rocket right.” Elon felt the feedback wasn’t a personal attack, 
although it could definitely feel that way. Lucas said he was made to feel like a tool 
being used to achieve a greater objective. If the tool didn’t work for 
Elon, he’d just get another one. Lucas told Isaacson: “Elon 
cares a lot about humanity, but humanity in more of a very macro sense.” Elon has thrown his entire life 
force into getting to Mars. And he expects those he hires to put in the blood, 
sweat, and tears, to make the mission a reality. In May 2022, after more than eight years of 
working for Elon, Lucas decided to leave SpaceX. He said: “If Raptor becomes the most 
affordable engine ever created and gets us to Mars, then it may be 
worth the collateral damage.” Another employee who endured Musk’s uncompromising 
expectations was an engineer named Andy Krebs, who was in charge of building 
the infrastructure at Starbase. One Friday night in July 2021, as Elon was 
walking with a group of his top managers to the launchpad site and didn’t see anyone 
around, Elon asked, “Why is no one working?” This happened to be the first time in weeks that 
Andy didn’t have a full night shift on duty. Elon then said, “What is the eff ing 
problem? I want to see activity.” That’s when he ordered a surge in productivity: He wanted Starship’s booster and 
second stage stacked within 10 days. He felt seeing the rocket ready on the launchpad might get the FAA to fast-track approval 
for Starship’s first orbital flight test. He sent an email after 1 am to 
all SpaceX employees, writing: “Anyone who is not working on other 
obviously critical path projects at SpaceX should shift immediately to work 
on the first Starship orbit. Please fly, drive, or get here by any means possible.” Elon ordered 500 workers from all over 
SpaceX to make their way to Boca Chica, Texas, to get things moving. He said: “This is not a volunteer organization. We are not selling Girl Scout 
cookies. Get them here now.” Elon’s assistant scrambled to find 
accommodation for the employees, but the hotels in nearby Brownsville 
were booked up for a convention. So she bought a lot of air mattresses. The workers would have to sleep on the floor. When Elon got back to the 
main building of Starbase, the video monitor had been reprogrammed to: “Ship+Rocket Stacked T-196h 44m 23s” Elon does not let them round off into hours. Every second counts. In the end, stacking Starship didn’t help 
get the FAA to rush its approval process. The first Starship flight wouldn’t happen 
until nearly two years later, in April 2023. While Elon Musk is known to be a tough manager, 
he has a remarkable ability to inspire his team. This was evident after SpaceX’s 
first rocket, the Falcon 1, failed to reach orbit for the third time, 
and the company nearly ran out of money. Facing the real possibility of SpaceX’s demise, 
Elon rallied his workforce to never give up. SpaceX’s then-head of talent acquisition, Dolly Singh, shared a powerful anecdote 
on Quora about this critical moment. In front of over 300 employees, Elon said: “...we 
need to pick ourselves up, and dust ourselves off, because we have a lot of work to do. Then he 
said, with as much fortitude and ferocity as he could muster after having been awake for like 
20+ hours by this point that, “"For my part, I will never give up and I mean never,” and 
that if we stick with him, we will win.” Dolly described how the transformation 
in the room was palpable: “I think most of us would have followed him 
into the gates of hell carrying suntan oil after that. It was the most impressive 
display of leadership that I have ever witnessed. Within moments the energy of the 
building went from despair and defeat to a massive buzz of determination as people began to 
focus on moving forward instead of looking back.” Stage separation confirmed The SpaceX team has never looked back. Starship’s third flight test 
reached orbit for the first time. Although the upper stage didn't belly-flop in the 
Indian Ocean as planned and instead disintegrated on its return to Earth, it did not diminish 
the monumental achievement this represents, and it likely would not have been possible if 
it were not for Elon Musk’s relentless drive. Behind every leap in technology lies a foundation 
of deep knowledge and relentless curiosity. If you’re curious about the science 
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to their thousands of interactive offerings. Thanks for watching. For Newsthink, I'm Cindy Pom.