SpaceX’s SN10 “Belly Flop” Composite

Earlier this week SpaceX’s SN10 rocket took off, ascended to ±10km, and then after a free fall in the horizontal position turned vertical again to successfully land (only to explode a few minutes later).

While you can rewatch the whole thing online I’m more fascinated by this composite photo by Jack Beyer, visualizing the trajectory:

Cool! 🚀

JavaScript: var vs let vs const

Nice Doodle by Abhishek Kumar explaining the difference between JavaScript’s var, let, and const:

Good to see hoisting is also explicitly mentioned by name.

💁‍♂️ I personally always start with const. Only if I need to reassign a variable’s value (for example: a counter in a loop) I use let. I see no good reason to use var.