00:00Remember fluids only flow?
00:02What if they could turn solid instantly?
00:05This incredible smart blood is called magnetorheological fluid.
00:08Tiny iron bits mix in oil.
00:11Add a magnetic field, it stiffens fast.
00:13Now imagine excavators using this.
00:16Their hydraulics get smart blood for crazy control.
00:18This means super precise control, like an artist's brush.
00:22More at the link in bio.
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