MOTION MOUNTAIN

360 challenge hints and solutions
Vol. VI, page 107
Other statementsarenotfalsifiable,suchas ‘Theuniversecontinuewithoutlimitbehindthe
horizon.’ Suchastatementisabelief,notafact.
Challenge 316, page 305: They arenotsetseitherandthusnotcollectionsofpoints.
Challenge 317, page 306: There is still no possibility to interact with all matter and energy, as
thisincludesoneself.
Challenge 318, page 311: No.Thereisonlyageneralizationencompassingthetwo.
Challenge 319, page 312: Anexplanationoftheuniverseisnotpossible,asthetermexplanation
require the possibility to talk about systems outside the one under consideration. The universe
isnotpartofalarger set.
Challenge 320, page 312: Bothcaninfactbeseenastwosidesofthesameargument:Thereisno
otherchoice;thereisonlyonepossibility.Equivalently,therestofnatureshowsthatobservations
havetobethewaytheyare,becauseeverything dependsoneverything.
Challenge 322, page 329: Massisameasureoftheamountofenergy.The‘squareofmass’makes
nosense.
Challenge 325, page 331: Theformula withn−1isabetterfit.Why?
Challenge 328, page 332: No! They are muchtoo precise to make sense.They are only given as
an illustration for the behaviour of the Gaussian distribution. Real measurement distributions
arenotGaussiantotheprecisionimpliedinthesenumbers.
Challenge 329, page 332: About0.3 m/s. It is not0.33 m/s, it is not0.333 m/s and it is not any
longerstringsofthrees!
Challenge 331, page 338: Theslowdowngoes quadraticallywith time,becauseevery newslowdownaddstotheoldone!
Challenge 332, page 338: No, only properties of parts of the universe are listed. The universe
itselfhasnoproperties,asshowninthelast volume.
Motion Mountain – The Adventure of Physics copyright © Christoph Schiller June 1990–November 2015 free pdf file available at www.motionmountain.net