Neodymium Magnets Strong
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 10 Pcs N42 4x1x1 Strong NdFeB Neodymium Magnets Block  US $557.68
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 30PC 1x1 STRONG Rare Earth Neodymium Magnets US $530.00
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 8PCS N50 2x2x1 Neodymium Magnets STRONG NdFeB POWERFUL US $519.00
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 100 Pcs N42 15x3 4x1 4 Strong Neodymium Magnets Block US $448.71
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 8PC 2x2x1 Neodymium Magnets STRONG NdFeB POWERFUL US $439.00
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 5 N45 4x2x1 NdFeB Super Strong Neodymium Magnets Block US $425.80
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 500 pcs N42 1x1 16 Strong NdFeB Neodymium Disk Magnets US $344.25
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 10 pc N42 4x1x1 2 Strong NdFeB Neodymium Magnets US $340.22
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 250 Pc N42 1 2x1 2 STRONG Neodymium Disk Magnets NdFeB US $316.76
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 Strong 6x 3 x 1 Neodymium Rare Earth Magnet Block US $195.00
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 500 PC N50 3 8x1 8 Strong NdFeB Neodymium Disk Magnets US $187.13
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 5 Pc N42 3x15x75 Strong NdFeB Neodymium Block Magnet US $186.50
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Neodymium magnets?
Can you get neodymium magnets in sheet form and if so are sheet magnets weaker or stronger than other ones(disc, cube etc)?
Thin sheets have a pull that is proportional to their thickness. So, don't choose too thin unless you need it.
On the other hand these Neo magnets are so strong that maybe your application can use a thin sheet.
Helping robots hold on (MIT)
_Since the 1970s, when early autonomous underwater vehicles (AUVs) were
developed at MIT, Institute scientists have tackled various barriers to robots
that can travel autonomously in the deep ocean. This four-part series examines
current MIT efforts to refine AUVs’ artificial intelligence, navigation,
stability and tenacity._
If an underwater robot is to open a valve or repair a damaged pipe, it needs
to anchor itself to a solid surface so it can apply force to carry out its
task without pushing itself away. It then needs to detach and move on to its
next assignment.
A group of MIT researchers has designed a “controllable adhesion system” for
underwater robots that offers the needed features: a high holding force on
various geometries and textures, low energy consumption, chemical resistance
to seawater, and low maintenance requirements.
Underwater vehicles have become good at using propellers and thrusters to stay
in one place, even in strong currents. But holding on to a surface while
exerting force to do a job is quite another challenge — one that Sangbae Kim,
the Esther and Harold E. Edgerton Assistant Professor of Mechanical
Engineering, and his collaborators have been tackling for the past year. They
are working ...
Hanging with a magnet
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