Ink provides much of the color on paper in the modern world and has many uses in different cultures around the globe. Cornell University explains that inks consist of dyes or pigments suspended in liquids, such as water, oils or alcohols. Although many inks are relatively easy to make, developing the correct formulation for a specific ink use can require some effort and chemistry skills.
Printers use ink-filled cartridges to add color to paper. Many printers have separate cartridges filled with different colors of ink, which the printer mixes together to form a wide range of colors. Other printers use one color cartridge that contains small amounts of multiple colors. Inks from printers make many appearances throughout the world on a variety of items, including children's school papers printed at home, book pages, product labels, packaging, stickers and signs.
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Tattoo artists create tattoos by placing ink beneath the skin with tiny needles. The U.S. Food and Drug Administration warns that some types of tattoo ink can cause allergies in certain people and warns that the FDA has not studied tattoo inks enough to know how the body handles them. The FDA plans to research tattoo inks to figure out how the body reacts to them and how light affects tattoo ink.
Many art supplies contain ink, including pens, printing machines, markers, stamp pads and sometimes paints. Some artists also use bottles of ink to create designs on paper by dipping a hard tool in the ink and using it to draw or spread the ink on the paper.
Writing and Calligraphy
Modern pens used for everyday writing contain ink. People also used to write by dipping feather quills into ink. Chinese and Japanese calligraphers dip brushes in ink to write characters. According to Columbia University, Chinese calligraphy is a well-respected art form that looks attractive while also teaching students how to write the language properly. The Chinese ink comes in dried sticks, which calligraphers mix with water to create the perfect ink consistency. Western calligraphers also use ink to write, either by dipping their pens into ink or using replaceable ink cartridges within the pen. The University of Sunderland in the United Kingdom even offers a degree in calligraphy.
Wino hutoa rangi nyingi kwenye karatasi katika ulimwengu wa kisasa na hutumiwa sana katika tamaduni tofauti-tofauti ulimwenguni. "Cornell University inaelezea kwamba ""ink hufanyizwa na rangi au rangi zilizosimamishwa katika kioevu kama vile maji, mafuta au pombe.""" Ingawa inki nyingi ni rahisi kutengeneza, kutengeneza muundo sahihi wa kutumia inki fulani kwaweza kuhitaji jitihada fulani na ustadi wa kemia. Vichapishaji hutumia cartridges zilizojaa wino ili kuongeza rangi kwenye karatasi. Vichapishaji vingi vina cartridges tofauti zilizojaa rangi tofauti za wino, ambazo printer huchanganya pamoja ili kuunda rangi mbalimbali. Vichapishaji vingine hutumia cartridge moja ya rangi ambayo ina kiasi kidogo cha rangi nyingi. Wino kutoka kwa wachapishaji huonekana mara nyingi ulimwenguni kote kwenye vitu mbalimbali, ikiwa ni pamoja na karatasi za shule za watoto zilizochapishwa nyumbani, kurasa za vitabu, lebo za bidhaa, ufungaji, stika na ishara. Video ya Siku Wasanii wa Tattoo hutengeneza tatoo kwa kuweka wino chini ya ngozi kwa sindano ndogo. Shirika la Marekani la Usimamizi wa Dawa na Chakula (FDA) limesema kuwa baadhi ya rangi za tattoo zinaweza kusababisha mzio kwa watu fulani na pia limesema kwamba bado halijafanya utafiti wa kutosha kuhusu rangi za tattoo ili kujua jinsi mwili unavyozitumia. FDA imepanga kuchunguza rangi za tattoo ili kujua jinsi mwili unavyoitikia na jinsi mwanga unavyoathiri wino wa tattoo. Vifaa vingi vya sanaa vina wino, kutia ndani kalamu, mashine za kuchapisha, alama, vipande vya muhuri na nyakati nyingine rangi. Wasanii wengine hutumia chupa za wino kutengeneza michoro kwenye karatasi kwa kuzamisha chombo kigumu ndani ya wino na kutumia chombo hicho kuchora au kueneza wino kwenye karatasi. Kuandika na Kaligrafia Kalamu za kisasa zinazotumiwa kwa ajili ya kuandika kila siku zina wino. Watu pia walitumia kuandika kwa kuzamisha manyoya ya manyoya ndani ya wino. Waandishi wa maandishi wa Kichina na Kijapani huingiza brashi katika wino ili kuandika herufi. Kulingana na Chuo Kikuu cha Columbia, calligraphy ya Kichina ni aina ya sanaa inayoheshimiwa sana ambayo inaonekana kuvutia wakati pia inawafundisha wanafunzi jinsi ya kuandika lugha kwa usahihi. Wino wa Kichina hutolewa katika vijiti vilivyo kavu, ambavyo waandishi wa maandishi huchanganya na maji ili kutokeza wino wenye usawa kamilifu. Waandishi wa kale wa Magharibi pia hutumia wino kuandika, ama kwa kuzamisha kalamu zao katika wino au kwa kutumia makaratasi ya wino yanayoweza kubadilishwa ndani ya kalamu. Chuo Kikuu cha Sunderland nchini Uingereza hata hutoa shahada ya uandishi wa maandishi.