its um a cartillliso
When the bottle is squeezed, the pressure inside the pen cap increases. This increase in pressure causes the air trapped inside the pen cap to compress, resulting in a decrease in volume.
when we pressed the top of the pen,it pressed the pen ink inside down causing the spring to be compressed and the pen will come out
when we pressed the top of the pen,it pressed the pen ink inside down causing the spring to be compressed and the pen will come out
no you need special paper supplied by leapfrog, it calibrates the laser in the pen to tell the computer inside the pen where the pen is.
The plastic coating of the pen is a solid, the INK inside, that shows what you wrote is a liquid, and there is no gas what-so-ever.
A shaky ball :P
no, it can be inside too.
As you know with increasing attitude Atmospheric pressure decreases , so the pressure inside the pen is more compared to the its surrounding Are (i.e inside the Flight).When we are using the pen , the ink gets spilled due to varying pressure.Hence the caution.
the first pen was a feather and ink and they used that idea by thinking about how the ink would stay inside of the bottom of the feather and they used that and made a plastic tube inside of the plastic and used that to create a pen if that answers your question ;P
-spring scales -the spring inside a pen -coil springs inside a mattress
The metal part inside a Tipp-Ex pen is the mixing ball. It helps to mix the correction fluid when shaken, ensuring a smooth and consistent application of the correction fluid on the paper.
The ink inside a Bic pen is typically oil-based ink, which is designed to dry quickly and resist smudging. This type of ink is commonly used in ballpoint pens for smooth writing.