Did You Know?
- Paper, and the pulp papermaking process were developed in China during the early 2nd century AD,
possibly as early as the year 105 A.D., by the Han court eunuch
Cai Lun, although the earliest archaeological fragments of paper derive from the 2nd century BC in China. It spread slowly to the West via Samark and and Baghdad.
Paper making and manufacturing in Europe began in the 10th century in Spain and Sicily before spreading to Italy and southern France before reaching Germany by 1400.
- Worldwide consumption of paper has risen by 400% in the past 40 years leading to increase in deforestation, with 35% of harvested trees being used for paper manufacture.
- Edwin Hill (1793 – 1876) invented a mechanical system to make envelopes which was shown at the Great Exhibition of 1851,
the patent for which was bought by Warren de la Rue to whom the machine was attributed.
- Post-it notes were invented by 3M's Art Fry,
using an adhesive developed by a colleague, Spencer Silver.
- Why are Post-it notes yellow?
- Friedrich Soennecken (1848 – 1919) invented ring binders in 1886 in Bonn, Germany.
- R. Stanton Avery (1907 – 1997) was an inventor, most known for creating self-adhesive labels (modern stickers).
- Johannes Gensfleisch (1395 – 1468) invented mechanical movable type printing started the Printing Revolution
and is widely regarded as the most important event of the modern period.
- The very first paper clip, called "The Philadelphia," was folded twice to form a triangle with the two side edges of the triangle extending slightly beyond their point of intersection.
- It is most likely that scissors were invented around 1500 BC in ancient Egypt. The earliest known scissors appeared in Mesopotamia 3,000 to 4,000 years ago.
- Charles Xavier Thomas de Colmar (May 5, 1785–March 12, 1870) was a French inventor and entrepreneur
best known for designing, patenting and manufacturing the first commercially successful mechanical calculator.
- On March 30, 1858, Hymen Lipman of Philadelphia, USA, received the first patent for attaching an eraser to the end of a pencil.
It was later invalidated because it was determined to be simply a composite of two devices rather than an entirely new product.
- On 30 March 1858, Hymen Lipman received the first patent for attaching an eraser to the end of a pencil.
In 1862, Lipman sold his patent to Joseph Reckendorfer for $100,000, who went on to sue pencil manufacturer Faber-Castell for infringement. In 1875, the Supreme Court of the US ruled against Reckendorfer declaring the patent invalid.
- No piece of normal-size paper can be folded in half more than seven times.
- The first known stapler was handmade in the 18th century in France for King Louis XV.
- Surgeons can use surgical staplers in place of sutures to close the skin, or during surgical anastomosis.
- The average office worker spends 50 minutes a day looking for lost files and other items.