Dancing in the Dark The End of Physics. Word Search Puzzle Solver. Dancing in the Dark The End of Physics word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Scientists genuinely don't know what most of our universe is made of. The atoms we're made from only make up four per cent. The rest is dark matter and dark energy (for 'dark' read 'don't know'). The Large Hadron Collider at CERN has been upgraded. When it's switched on in March 2015 its collisions will have twice the energy they did before. The hope is that scientists will discover the identity of dark matter in the debris. The stakes are high - because if dark matter fails to show itself it might mean that physics itself needs a rethink. This includes identifying and searching for words that are related to : David Mitchell, Documentary .