Light is a wave, right? But, maybe you’ve heard that it can be a particle, too? And you swear that in school you were always doing experiments with light rays! So which is it!? All of them? None of them? Has everybody been lying to you!? And how can maps help us figure it out?
Whether we’re on the bus, the tram, or the tube, we all dread being thrown backwards into the lap of an unsuspecting stranger when the thing starts moving before you’ve found a seat. But why do we get thrown backwards anyway? Aren’t we moving forwards? If you’ve ever found yourself meekly apologising to a fellow passenger and thinking “Why did THIS have to happen!?” then read on, because it can all be explained by Newton’s 1st Law.