Researchers have created an object made from microparticles embedded in liquid gallium that, when heated with magnets, melts into a liquid that can pass through the bars of a cage—just like the T-1000 did in 'Terminator 2.'
The Terminator
The team of researchers based the new material on gallium, a so-called liquid metal due to the fact that it melts at around 86 degrees Fahrenheit. They embedded magnetic microparticles within the metal that allowed it to be moved or heated with magnets, then got to work testing it in different situations.
Next, they created a capsule of the material that contained fluorescein sodium, a salt used to diagnose problems in the cornea. The researchers again liquefied the material, this time to deposit the salt in the faux stomach, and tracked the model drug’s spread by how much of the water it stained. The material could even “stir” the drug to diffuse faster when magnetic energy made it rotate in a circle.
It’s unlikely that gallium, microparticles, and magnets will replace career welders anytime soon, but there could be certain niche cases where this material could help, Majidi said. If this material will one day be used in biomedicine, it could be beneficial to integrate sensors or even an algorithm into a future shapeshifting device, Zhang said. This way, it will be able to navigate the human body on its own and “know” to release drugs at a certain time or in a particular region.
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