5 tiny technologies making a big impact
This article explores the evolution of molecular-scale machines, highlighting Australian research into DNA origami and nanostructures. It draws parallels between early electric motor development and the current potential of molecular motors to revolutionize medicine and materials science.
Why it matters
Molecular nanotechnology holds the potential to create autonomous nanorobots capable of targeted cancer treatment and adaptive materials.
In 2016, the Nobel Foundation recognised three European researchers for a truly tiny accomplishment. Jean-Pierre Sauvage, J Fraser Stoddart and Bernard Feringa received the Nobel Prize for Chemistry in recognition of their work designing machines mere nanometres in size , with effects that were measured at a scale of fractions of a billionth of a metre.
These molecular devices could be used as switches, extend or contract like muscles, and power themselves forward via light-driven propellers. And while their work had little practical application at the time they were awarded the Nobel, it contained immense potential.
“In terms of development,” the Royal Swedish Academy of Sciences said , “the molecular motor is at the same stage as the electric motor was in the 1830s, when scientists displayed various spinning cranks and wheels, unaware that they would lead to electric trains, washing machines, fans and food processors.”
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