On Incompleteness
Simon is enchanted by Gödel’s incompleteness theorem (that he has learned about from Numberphile) and keeps talking about it: “There’re problems that we just can’t solve. But if we prove … Continue reading On Incompleteness
Tag: math
Simon’s whiteboard
The whiteboard always reflects Simon’s current state of mind: On the left are Simon’s notes after reading Physics Girl’s blog about quarks (the colourful stuff is foam clay): Simon showed … Continue reading Simon’s whiteboard
Gelfond’s Constant
Simon spent two days testing out his new Texas TI-84 Plus CE-T calculator. I saw him play with Gelfond’s constant eπon the calculator: He looked up on Wikipedia that the decimal … Continue reading Gelfond’s Constant
Rational Approximations for Phi
“If I get the next two digits right, I’ll be ecstatic!” Simon says, as he hurries on with a φ (Phi) approximation algorithm using Fibonacci numbers. He keeps dividing every following … Continue reading Rational Approximations for Phi
Physics Experiments: Light and trapped inside the water stream
Another take at our light trapping experiment, this time using a red laser pointer. We punched a hole in the plastic bottle and filled the bottle with water. As the … Continue reading Physics Experiments: Light and trapped inside the water stream
Working on a proof outside
Simon saw this proof on the Numberphile channel.
Regression to the mean
Simon’s illustrations to the Regressions to the Mean video by Veritasium (about whether reward and punishment affect performance).
Happy not back to school
Simon and Neva work on the math problem called ‘The Dollar Game’ late in the evening before the day school officially starts in Belgium and continue as soon as they … Continue reading Happy not back to school
Simon turned 9!
– Simon, Mom and Dad arranged it quite nicely, to have your birthdat and our wedding anniversary on two consecutive days! – No, it was pure coincidence! – But what … Continue reading Simon turned 9!
Hexaflexing
Simon has been into making various hexaflexagons, inspired by the Vihart channel. It was tough at first, but later the same day he didn’t need any help anymore and flexed … Continue reading Hexaflexing
Magic Prime Number Pencils
No matter how much you sharpen either one of these pencils, it will keep having a prime number written on it. Simon adorned them with the largest truncatable prime and … Continue reading Magic Prime Number Pencils
Geeks out of the box 