A lot of research has gone into trying to use gallium alloys
to replace mercury in mercury wetted switches. You can get
the replacement alloys to work in the lab, but no one has
learned to make them last a long time in actual field conditions.
Rick N6RK
Steve Sacco NN4X wrote:
> Maybe this will be the next thing we're putting on our towers.
>
> Monday, December 07, 2009
>
> This Antenna Bends but Won't Break
> Injecting liquid metal into a polymer results in a twistable,
> stretchable antenna.
> By Erika Jonietz
>
> Engineers at North Carolina State University have created a highly
> efficient, flexible, and self-healing antenna using a metal alloy that's
> a liquid at room temperature.
>
> Most of the materials that go into electronic devices are brittle,
> inflexible, and prone to damage, including the copper used most
> frequently to make antennas. The new liquid-metal antenna could make it
> easier to send and receive data from flexible electronics. Possible uses
> include sensors incorporated into clothing or other textiles, pliant
> electronic paper, or implantable biomedical devices.
>
> Michael Dickey, an assistant professor of chemical and biomolecular
> engineering at NC State, was working with a gallium-indium alloy, which
> is liquid at room temperature, researching how it behaves in
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