Dr Karami's "non-linear harvester", by contrast, still works at heart rates of 20 to 600 beats per minute.It does this using a combination of a piezoelectric material and a magnet, arranged so that the magnetic field amplifies the piezoelectric material's response to the vibrations.
In the presence of a larger magnet they either line up parallel to the stronger magnetic field (say, "up") or antiparallel to it ("down").
During the hearing, it emerged that neither HMRC, the Treasury or the UK bank regulators appear to have questioned why HSBC's Swiss subsidiary had become a magnet for thousands of rich people across Europe and whether there was any systemic problem in the bank's governance.
Euro crisis, Grexit, Russia-Ukraine … Germany attracts these problems like a magnet.
From above, like a sea of iron filings pulled by a magnet, the whole city appears to crowd round a core, the vortex of pilgrims giving way to an equally swirling current of tower blocks.
"With no adult birds defending these territories, they are an absolute magnet for prospecting birds trying to set up their own territories," he said.
Sweeping privatisation, low taxation, a flat 19% income tax rate and business-friendly policies have made Slovakia a magnet for foreign investment in the past few years, although prior to 1998, when Mr Meciar was in power, there was hardly any foreign money flowing in.
I know you're not meant to intervene, but I pulled some off, just in case she wasn't dead yet, but she was, and they all sprang back, like iron filings to a magnet.
The theatre is not only a magnet for many of the 100,000 English-language natives living in the city, but also for German students, teachers, academics and anglophiles keen to keep up with developments in international theatre.
However, if it turns out to be a wet one, a layer of straw is a slug magnet, so have straw ready and if the forecast suggests the temperature is going down, act quickly.
Boasting upmarket patisseries, jewellery stores, a sushi restaurant and cinemas, it is a magnet for the well-off in a city characterised by sharp social divisions.
