Challenge: Where to get a custom-made magnetic stirrer bar of less then 1 mm in diameter?
Solution: Well… nowhere! Hence with the expertise of Tom Franklin from Tony Ryan’s group, Steve and I started developing our own home-made magnetic plastic that can take what ever shape we need! Here is the team in action:
Here are the first results:

And indeed, it is magnetic!
For a first trial, the magnetic plastic is a quite promising material; let’s see if we can induce within it a permanent magnetic moment.
… to be continued.