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2. Thermal paper - Wikipedia

   en.wikipedia.org/wiki/Thermal_paper

   Thermal paper (often supplied in roll form, and sometimes referred to as an audit roll) is a special fine paper that is coated with a material formulated to change color locally when exposed to heat. It is used in thermal printers , particularly in inexpensive devices such as adding machines , cash registers , and credit card terminals and ...

3. Paper chemicals - Wikipedia

   en.wikipedia.org/wiki/Paper_chemicals

   Paper Coating 1) The paper or board 2) The first layer of coating to even out the surface 3) A second layer for an even smoother and whiter surface. Pigments that absorb in the yellow and red part of the visible spectrum can be added. As the dye absorbs light, the brightness of the paper will decrease, unlike the effect of an optical ...

4. Thermal printing - Wikipedia

   en.wikipedia.org/wiki/Thermal_printing

   A thermal printer Bills and receipts are typically printed on thermal paper. [1] Thermal printing (or direct thermal printing) is a digital printing process which produces a printed image by passing paper with a thermochromic coating, commonly known as thermal paper, over a print head consisting of tiny electrically heated elements. The coating ...

5. List of thermal conductivities - Wikipedia

   en.wikipedia.org/wiki/List_of_thermal_conductivities

   Ordinary Paper Engineeringtoolbox 0.05 [5] Yarwood and Castle 0.125 [73] Oil Impregnated Paper 0.180 — 0.186 [32] 298 [5] 291.15 294.7 — 385.2 The oil-impregnated paper was about 0.05 inches thick and it was loaded under about 2 PSI. TPRC Volume 2, page 1127. Yarwood and Castle has the thermal conductivity of their paper on page 36 Perlite ...

6. Thermal copier - Wikipedia

   en.wikipedia.org/wiki/Thermal_Copier

   Thermal copier Pentacon PENTACOP 110 in a GDR Museum in Dresden. A thermal copier or thermocopier (used as a Tattoo transfer copier) is a kind of photocopi er based on the effect of heat. The original sheet feeds in conjunction with the "thermo-sensitive" paper, generating a copy on its specially treated surface.

7. Oldest human DNA reveals lost branch of the human family tree

   www.aol.com/news/oldest-human-dna-helps-pinpoint...

   Human DNA recovered from remains found in Europe is revealing our species’ shared history with Neanderthals. The trove is the oldest Homo sapiens DNA ever documented, scientists say.