We are told that diamonds are made of carbon, the same lowly element found in soot and the graphite of pencil lead.
22.
:: : As our article says, the squid giant axon reaches 1 mm in diameter-- about the thickness of a pencil lead.
23.
For three days on each lobe of the bile duct, the tumor was pelted with radioactive beads the size of a pencil lead.
24.
"' Negro "'is the name of an artist's drawing medium, consisting of black pencil lead often encased in a wooden or paper tool.
25.
Her head looked like a small lemon, her fingers like pencil lead with the tiniest little fingernail at the end of each one.
26.
Using as many as two dozen long needles, doctors inject scores of radioactive seeds the size of pencil leads into the patient's prostate.
27.
Complex nose of some fruit, lingering oak and a touch of pencil lead; cassis, smooth layered, fleshy, ripe and dense; slightly closed but good balance.
28.
Its products include pens, erasers, glue, drawing materials, schoolbags, markers, highlighters, mechanical pencils, notebooks, correction fluid, oil pastels, sticky notes, pencil leads, and pen refills.
29.
But there is a whole generation growing up missing the delight of actually creating a gadget from pieces of bell wire, pencil leads and razor blades.
30.
:Conduct this really neat experiment and measure the current as you pull apart the pencil leads .-- Zeizmic 22 : 20, 23 February 2006 ( UTC)
