Researchers at Max Planck Institute for Intelligent Systems have created a reversible adhesive that can be controlled with a slight shift in temperature.
Gallium, a silver metal "that is solid at low temperatures and melts at 85.56 degrees Fahrenheit" was used to create this reversible adhesive. By adding gallium in liquid form between two separate objects and then cooling it, the metal solidifies and therefore acts like a glue between the two objects. The reversible aspect of this glue comes when the temperature of it is brought back up. This prevents the use of force when taking apart objects that have been glued together and could prevent potential damage.
The reversible adhesive can be used repeatedly and potential applications for it include "transfer printing, temporary wafer bonding and moving sensitive biological samples such as tissues and organs."
Metal Reversible Adhesives
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