Drawing instruments have been essential to mathematics, architecture, surveying, navigation, engineering design, and other technical endeavors from antiquity through the 20th century, although ...

Thomas P. How, of Randolph, ?. Y., has made an improvement in the wheel pen for dotting lines in mathematical drawing, which it is thought will much increase its value. These pens have heretofore ...

We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn and work.

In addition to spitting hot bars on the track, to the surprise of many fans, some rappers also play instruments. Here's a list of MCs who can rock more than just a microphone.

Follow our simple instructions to draw a cartoon T. rex and read on to find out how professional artists bring dinosaurs to life with their pictures. Tyrannosaurus rex is probably the most famous ...

But these are not photographs: each hyperreal image is in fact a color pencil drawing, resulting from between 300 and 500 hours of careful construction. Now, Holmes’ works have been brought ...

NASA engineers have turned off one of Voyager 2's science instruments due to dwindling power supplies on the spacecraft as it explores interstellar space. Voyager 2 launched into space on Aug. 20 ...

This five-part audio unit provides a structured, fun introduction to the world of instruments and how they work. See the Introduction below or go to the Teacher's Notes for full details.

Five Card Draw is the the ultimate poker showdown. Draw your hand, outbet your opponents and seize victory with the best 5-card hand or a compelling bluff. The objective of Five Card Draw is to ...

Drawing instruments have been essential to mathematics, architecture, surveying, navigation, engineering design, and other technical endeavors from antiquity through the 20th century, although ...