A catchy blog posting title. The author, Ravi Krishnamurthy, notes that since carbon nanotubes nearly two centimeters long can now be grown, stacking 100 of these would be taller than the average human height. I guess that’s one way to measure progress.
(Click on the thumbnail for a slightly larger version of the picture. Photo credit: V. Shanov, M. Schulz, University of Cincinnati)