Inspired by pencils on her desk, Mirica had the idea to compress carbon nanotubes into a graphite-like material that could substitute for pencil lead
With this amount of intellectual firepower, the discovery that started with some Scotch tape and pencil lead
is sure to meet a much higher-tech end.
As the pencil lead
and test block form different entities, contact modeling was used to transfer load and displacement between the tip of the pencil lead
to the test block.
When stacked together, graphene sheets make graphite, which has been commonly used as pencil lead
for hundreds of years.
Also it must be noted that both NASA and the Soviets used pencils until 1968, when both sides moved over to using pens because pencil lead
could shatter and provide a hazard.
The motor shaft is as thin as pencil lead
at only 0.
Another retail vote fraud technique, this one used by vote counters, is "the short pencil"--where a vote counter conceals pencil lead
under a fingernail to make additional marks on a ballot in order to invalidate one or more votes by causing "over-votes.
8 mm in diameter, their motor shafts are as thin as a pencil lead
Chemically, the material is identical to pencil lead
To make fake dirt, we'll rub the pencil lead
against sandpaper," said Tim.
Download a sample pencil lead
sheet and Excel lead tracking spreadsheet at biz-comm.
The back of the completed drawing was covered with a heavy coating of pencil lead
to create a faux carbon paper.