Typed up from handwritten notes by: David Morgan-Mar
The author writes:
Have you ever had one of those complete brain fades where you just forget how to multiply two numbers together for a few seconds, even though you've known how to do it since third grade and you went on to do university-level mathematics, and you do calculations just like it every day at work in your job, which relies on the accuracy of your calculations?
That's what happened to the rocket engineer who designed the thrust sequence for the Mars mission.
I'm sure Lenny will return to Earth one day. After all, Halley's Comet comes back every 76 years.