Browse ScienceInfo articles and explainers related to Pencil.
36 published items.
We call it a brush pen because its nib is made of feathers; we call it a fountain pen because its nib is made of metal. So why is a pencil called a pencil when it is not…
Students, students must be no stranger to 2B pencils, which are even more indispensable for those who study fine arts.
It turns out that the story you have heard for so long is just a trick. The real story is hundreds of times more interesting!
According to TodayIFoundOut, today's testing machines use image sensors and complex image processing algorithms.
Not only is the learning tool from early childhood to school, but pencil is also a daily tool of architects, designers, painters, ...
Legend has it that this blue part has the ability to erase ink ...
Not the oldest writing pen manufacturer in the world, but Faber-Castell is honored to be among the leading companies in this industry.
Eating a cookie, or using a pencil ... but do you know how they are made?
A writing tool that looks small, modest, even mediocre, but the impact of a pencil on humans is extremely important.
In the age of modern technology, we have many electronic devices that can be used to record. However, it is not so that we leave the necessary basic items that we have u…
Left-handed students prefer to go to school and have better relationship with teachers than right-handed children, but are more passive in doing homework.
In nature, there are no fish species that have a special way of reproducing like pencil fish, they jump onto the water surface and lay their eggs on the foliage.
Potamopyrgus antipodarum slugs are no different from pencil heads, but they are spreading rapidly from New Zealand to Asia and the Americas, attacking native snails else…
The impressive new invention of a pencil after it is no longer usable can be plugged into the ground to grow a plant that is causing a fever.