Chat with our AI personalities
Either parsecs or light years (a parsec is about 3.2 light years; it's the distance at which an object shows a parallax of one arc-second when measured on opposite sides of the Earth's orbit).
Metric
Get honing stones and install on a drill. Use a lubricant such as WD-40 or Pb blaster to spray cylinder walls. Run honing stones up and down inside cylinder while operating drill. This will create a cross-hatched pattern on cylinder walls, just clean residue away and your done. Repeat for each cylinder.
pixels, mega-bites, or inches on a larger scale
When you estimate something the word that is commonly used the most is "about". This word is saying that it is not an exact measurement.