SEM

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Scientific Image - Table Salt

Scanning Electron Microscope image of common table salt crystals. • SIZE: Scale bar representes 100 µm. • IMAGING TOOL: Scanning Electron Microscope (SEM)

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Scientific Image - White Sugar Crystals

Scanning Electron Microscope image of white sugar crystals. • SIZE: Scale bar representes 100 µm. • IMAGING TOOL: Scanning Electron Microscope (SEM)

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Scientific Image - Graphite Flakes

Scanning Electron Microscope image of flakes of graphite from common pencil lead. • SIZE: Scale bar representes 30 µm. • IMAGING TOOL: Scanning Electron Microscope (SEM)

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Scientific Image - Epsom Salt

Scanning Electron Microscope image of Epsom Salt crystals. • SIZE: Scale bar representes 20o µm. • IMAGING TOOL: Scanning Electron Microscope (SEM)

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Scientific Image - Baby Powder Particles

Scanning Electron Microscope image of particles of baby powder or talc powder. • SIZE: Scale bar representes 20 µm. • IMAGING TOOL: Scanning Electron Microscope (SEM)

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Exploring Tools - Transmission Electron Microscopes

"Exploring Tools - Transmission Electron Microscopes" is a hands-on activity in which visitors use a model of a transmission electron microscope to image an object by looking at its shadow. They learn that scientists use special tools and equipment to work on the nanoscale.

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Scientific Image - Multiwalled Carbon Nanotube Yarn

This scanning electron microscope image shows nanotube yarn fibers drawn from a "nanotube forest." Nanometer and micron-sized yarn or fibers drawn from multiwalled carbon nanotubes can have tensile strengths comparable to or exceeding those of spider silk. Replacing metal wires in electronic textiles with these nanotube yarns could lead to important new functionalities, such as the ability to actuate (as an artificial muscle) and to store energy (as a fiber super-capacitor or battery).

• SIZE: The yarn's diameter is about 1 µm. The nanotubes from which it is being drawn are each...

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Scientific Image - Nanowire Resting on a Human Hair

This scanning electron microscope image shows the relative thickness of typical nanowire in comparison with a strand of human hair.

• SIZE: The hair is about 100 µm in diameter; the nanowire's diameter is about 100 nm.

• IMAGING TOOL: Scanning electron microscope

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