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A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. Early pens such as reed pens, quill pens, dip...

The hadith of pen and paper (Arabic: حديث القلم والورقة, romanized: hadīth al-qalam wa'l-waraqa) is an incident in which the Islamic prophet Muhammad...

fountain pen is a writing instrument that uses a metal nib to apply water-based ink, or special pigment ink—suitable for fountain pens—to paper. It is distinguished...

dip pen is a writing instrument used to apply ink to paper. It usually consists of a metal nib with capillary channels like those of fountain pen nibs...

Active pens are typically used for note taking, on-screen drawing/painting, and electronic document annotation. They help prevent the problem of one's fingers...

paper. The non-repeating nature of the pattern means that the pen is able to determine which page is being written on, and where on the page the pen is...

vector graphics drawings. Plotters draw lines on paper using a pen, or in some applications, use a knife to cut a material like vinyl or leather. In the latter...

with a special pen-like stylus, similar to the way a person draws images with a pencil and paper. Graphics tablets may also be used to capture data or...

ink can be hazardous to one's health. Certain inks, such as those used in digital printers, and even those found in a common pen can be harmful. Though...

commitment to a television adaption of Paper Girls from studios Legendary Television and Plan B. Toy Story 4 co-writer Stephany Folsom is slated to pen the adaptation...

A highlighter, also called a fluorescent pen, is a type of writing device used to bring attention to sections of text by marking them with a vivid, translucent...

methods intended for pen and paper or for chalk and slate, with or without the aid of tables. Digital computing is intimately tied to the representation...

autoinjector (or adrenaline autoinjector, also known by the trademark EpiPen) is a medical device for injecting a measured dose or doses of epinephrine...

percussion caps used in real firearms of the mid to late 1800s but usually smaller and made from cheap plastic or paper. Some are arranged in plastic rings of eight...

The Waterman Pen Company is a major manufacturing company of luxury fountain pens and inks, based in Paris, France. The firm was established in 1884 in...

Worshipers also often put pen on their heads to show respect. To The Yuan and Ming dynasty, Huzhou emerged a group of pen making experts to make it more convenient...

mechanism, though the game can be played with only a pair of dice, pen, and paper. Variations exist where the box has 10 or 12 tiles. Unconfirmed histories...

beginning). Bean takes out the trigonometry paper and frantically tries to complete it hurriedly, but his pen has run out of ink and will not write anything...

applied to paper to mask errors in text. Once dried, it can be handwritten or typed upon. It is typically packaged in small bottles, with lids attached to brushes...

Dip pen nanolithography (DPN) is a scanning probe lithography technique where an atomic force microscope (AFM) tip is used to directly create patterns...