Sakura Pen-Touch

Fine-pigment marker with high opacity

3 episodes mention this

Episodes

#3066: Paint Markers That Actually Stick to Oily Steel

Markal, Dykem, Uni Paint — which survives on oily steel vs wet concrete? The chemistry is completely different.

May 24
#2925: Why Writing "Notebook" on Your Notebook Actually Works

The neuroscience behind why high-contrast labels help some brains actually see what they're looking at.

May 19
#2791: How to Pick a Marker That Actually Stays On

Why do “permanent” markers fail on plastic? The answer is polymer chemistry, not bad luck.

May 13