This is what sweat looks like up close - incredible 3D images are possible with the FEI Titan Krios telescope
This is what sweat looks like up close - incredible 3D images are possible with the FEI Titan Krios telescopeCourtesy of Dr. Antonietta Gatti, FEI Company

Scientists at Monash University in Australia have installed a powerful new microscope that is able to show atoms and molecules in super high definition 3D images, and could help to unravel the secrets of cancer and other diseases.

The FEI Titan Krios cryo-electron microscope, worth $4m (£2.6m, AUD$5m), is 3m tall and weighs about a tonne. It works by firing a stream of high-energy electrons through a thin sample frozen in a pool of liquid ethane at 200 degrees Celsius below zero.

Some of the electrons fired through the sample deflect, creating 2D images, and the microscope collects multiple 2D images and then automatically pieces them together to create stunning 3D shapes.

The FEI Titan Krios cryo-electron microscope
The FEI Titan Krios cryo-electron microscopeFEI Company

"Understanding our immune system is central to fighting cancer, infectious diseases such as malaria, and auto-immune diseases such as diabetes, rheumatism and multiple sclerosis," said Professor James Whisstock, director of the ARC Centre of Excellence in Advanced Molecular Imaging at Monash University.

"The key to understanding and treating these diseases lies in understanding how proteins and cells interact at the molecular level."

There are only a handful of Titan Krios microscopes in use in the world and this will be the first one in Australia.

"The Titan Krios fills a crucial gap, seeing things that X-ray crystallography and the Synchrotron can't see," said Whisstock.

"This microscope is powerful enough to resolve these intricate 3D shapes, identifying the position of individual atoms within a biological molecule and creating exquisitely detailed models including the molecules' loops and side chains.

"Australian scientists have been queuing up to get time on Titans in Europe and America. Now they can do the job in Australia."

There may not be many Titan Krios microscopes in the world but scientists have really enjoyed using them.

FEI has been holding contests annually for the past six years to enable scientists to show off some of the best pictures that have been captured using electron microscopy and here are some of the best ones we've seen:

This is what a root canal looks like in high resolution
This is what a root canal looks like in high resolutionCourtesy of Ms. Thaís Silva, FEI Company
A close-up look at the Albahaca plant - the circle in the centre is a stoma, which helps the cells of the plant to breathe
A close-up look at the Albahaca plant - the circle in the centre is a stoma, which helps the cells of the plant to breatheCourtesy of Mr. Ivan Jimenez Boone, FEI Company
Zinc oxide (ZnO) microparticles obtained by hydrothermal synthesis using microwave heating
Zinc oxide (ZnO) microparticles obtained by hydrothermal synthesis using microwave heatingCourtesy of Mr. Francisco Rangel, FEI Company
A nematode (Deep sea worm) covered by unknown cristals and aluminium oxides
A nematode (Deep sea worm) covered by unknown cristals and aluminium oxidesCourtesy of Mr. Nicolas Gayet, FEI Company
A mosquito in high resolution
A mosquito in high resolutionCourtesy of Ms. Siti Nurul Mardhiah Mohamed, FEI Company
Droplets of water on sandstone
Droplets of water on sandstoneCourtesy of Dr. Jim Buckman, FEI Company
A cross section of a human nail
A cross section of a human nailCourtesy of Mr. wadah mahmoud, FEI Company
Crystals of dyes adsorbed on the surface of a biopolymer after a process of water purification
Crystals of dyes adsorbed on the surface of a biopolymer after a process of water purificationCourtesy of Dr. Maria Carbajo, FEI Company
Cilia (slender protuberances) projecting from the surface of an epithelial cell in a mouse embryo
Cilia (slender protuberances) projecting from the surface of an epithelial cell in a mouse embryoCourtesy of Prof. David Pérez-Morga, FEI Company