For highly prestigious properties, valuation measures such as price per square metre are only an approximation.
During the return-stroke stage, approximately 105 joules of energy per metre are dissipated within the lightning channel.
His tone conveys ironic enjoyment, and his language and use of metre are smooth and simple but creative.
The idea that making things so small you measure their dimensions in nanometres (as billionths of a metre are dubbed by the scientific-measurement system) will unlock advantages denied to larger objects has been around for well over a decade.
A big reason for the developers' confidence is cheapness; city centre rentals, averaging about £120 per square metre, are half the cost of similar offices in Manchester, but low land prices still allow a profit.
Dr He and his colleagues knew that when certain nanoparticles (which have diameters of only a few billionths of a metre), are spread over glass they break the surface tension of the droplets as they try to form.
