On the contrary, Box 2 would seem to gain energy, but the counter-observer would describe the particle as a series of negative energy states reaching into his future supposing the particle to be moving from Box 2 to Box 1 carrying negative energy.
What did Back To The Future suppose would happen?
"Remember CB radios in the 1970s, when the future was supposed to be all of us talking to each other on our own headsets?" said my sceptical friend.
"I'll tell you what I'd like to see happen," he said, and began discussing what the future was supposed to have looked like, back in his 1960s childhood.
The future was supposed to have involved teleportation and flying cars: we dreamed of a time when it would be easier and more convenient to go to real places to see real people.
And it sort of feels like this is how the future was supposed to be – not about films that you walk through, but about putting the player in the middle of the game and having the drama appear around them".
He falls in love with a stainless steel Flying Yankee train that "still looks like the future was supposed to look: an efficiency that approached grace, the elegance of a 1930's cocktail shaker".
But as this book alarmingly illustrates in its account of an octogenarian heir-in-waiting and a mother who lived to be 105, it's wiser to live in the present than to count on what the future is supposed to bring.
While you're strolling through a virtual Morrisons and selecting the pre-roasted chicken that will be delivered to your door, take a moment to remember that the future was supposed to have been about more than technological solutions to growing levels of physical inertia.
So I had a crisis as far as what my future was supposed to be.
