United States, January 5, 2025 -- Pilot Pen proudly announces the launch of its latest innovation, G2 Boost: Hues to Power ...

There is no such thing as “black light wavelength”—so why do black T-shirts, black crayons, and black marking pens look black? Investigate a variety of black ink markers, and find out why they look ...

But what is the reason behind this superstition? Well, in South Korea, red ink is considered to be evil. Hence, red-coloured pens are kept away from kids. The superstition is that if someone ...