HOW BIG
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Nanofabrication

Rice molecular nanocar: size, dimension and comparison

The adopted reference is about 4 nm.

molecule extent ≈ 4 nm

nm means nanometer: a unit used for molecules and tiny features in computer chips. Imagine 1 millimeter split into one million equal pieces: one piece measures 1 nm.

2005Documented construction or demonstration

A single molecule with four fullerene wheels.

Explore at this scale
Rice molecular nanocar, interpreted illustration
Interpreted illustration · dimension stated in the fact sheet.
How Big

What does this number measure?

In 2005, Rice described a molecule measuring 3 to 4 nm with a chassis, axles and four fullerenes. This reference adopts 4 nm. This molecular demonstrator is neither a self-driving car nor a vehicle capable of carrying an ordinary load.

Compare the stated dimensions

The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.

Compare with Suspended silicon wire · width in the explorer →

Source and limitations

The source gives 3 to 4 nm; the reference uses 4 nm. The atomic shape and bonds are schematic.

Original interpreted scientific illustration, not a photograph. The molecule's extent is set at 4 nm. Four fullerene wheels and an H-shaped molecular chassis; not an atom-by-atom chemical reconstruction.

Documented construction or demonstration: 2005.

Illustration sources

How Big

Source coverage: Interpreted illustration; only the designated dimension is calibrated.

How Big

Source coverage: Interpreted illustration; only the designated dimension is calibrated.

How Big

Source coverage: Interpreted illustration; only the designated dimension is calibrated.

How Big

Source coverage: Interpreted illustration; only the designated dimension is calibrated.