This is the true joy in life, the being used for a purpose recognized by yourself as a mighty one; the being a force of nature instead of a feverish, selfish little clod of ailments and grievances complaining that the world will not devote itself to making you happy. I am of the opinion that …
Category Archives: General
Design revision example
Excellent and fun example of product design iterations meeting new product requirements.
The Feynman Technique
The Feynman Technique is the best way to learn anything quickly. Devised by a Nobel Prize-winning physicist, it uses the power of teaching for better learning. There are four steps to the Feynman Learning Technique: Pretend to teach a concept you want to learn about to a student in the sixth grade. Identify gaps in …
68 bits of unsolicited advice from a 68 year old co-founder of Wired
My favorite part is that Kevin teaches most readers a new word, with the last word on his list –– “Pronoia” is a neologism coined to describe a state of mind that is the opposite of paranoia.. Here are 3 of of my favs from his list: 1- Being enthusiastic is worth 25 IQ points. …
Continue reading “68 bits of unsolicited advice from a 68 year old co-founder of Wired”
#ToMarsAndBack
In 2021 pieces of Mars will land safely on earth as part of Mars 2020. The Mars 2020 rover collects samples and leaves them in canisters on the surface. The lander deploys a fetch rover to collect the samples and deposit them in an ascent vehicle, which blasts into Mars orbit. There, a return orbiter …
Video- The Nine Gravity Assists That Bring Our Satellite to Orbit Around Mercury
The BepiColombo mission launched in October 2018 will enter orbit around Mercury on December 5, 2025. Here’s an incredible animation of its 9 gravity assists past Earth (once), Venus (twice) and Mercury (six times).
Video– Visualizing how much fuel a Saturn 5 used per second in terms of elephants
The Saturn V rocket got to the moon burning 20 tones of fuel per second. An African elephant weighs roughly 5 tons. So roughly 4 elephants worth of fuel per second. Amazing video illustration:
SpaceX Falcon 9: How Elon Musk’s Rocket Is Winning the Reusability Race
This wonderful illustration from July 2019 National Geographic explains one of Elon Musk’s greatest space innovations – rocket reuse.
Video– First year of life for six Swainson’s Hawks
This mapped graphical visualization of six Swainson’s Hawks from Data is Beautiful caught my attention. Via reddit
In-depth– Spend analysis of 6 years 686 rides and $12,041 spent on Uber
What I learned from my Uber data I save $703/month using Uber versus owning 2 cars (🚙🏎). I’ve spent $12,041 on 686 Ubers over 6 years. By comparison, car ownership cost $11,783 per year, most of it depreciation. What could $703/month buy you? Well, four years of $703/month and you’ll save enough to climb Mount …
Continue reading “In-depth– Spend analysis of 6 years 686 rides and $12,041 spent on Uber”