PUSH IT TO THE LIMIT
THE DEEPEST (AND CLEANEST)
SNOLAB, ONTARIO, CANADA
Even a Bond villain might consider SNOLAB too remote for an underground lair. Earth’s deepest and cleanest lab is two kilometres underground, part of a nickel and copper mine in Ontario, Canada.
The deep layer of rock between the 5,000m lab and the Earth’s surface shields it from the cosmic radiation that would otherwise interfere with its sensitive experiments. The lab searches for solar neutrinos (extremely small subatomic particles produced by the Sun) and dark matter, the estimated 27 per cent of matter in the Universe which remains a mystery to us. But situating a sparkling clean lab in a mine comes with its downsides. As well as a 1.5km walk from the
