Uploaded September 2019 | Updated September 2026, 2 weeks ago
Why does this slime glow in the dark? Find out in this video!
Equipment: sodium polyacrylate (artificial snow), phosphorescent paints, water, PVA glue, sodium tetraborate (borax).
Combine some phosphorescent paint and water to create a fluorescent base. Adding this base to 2 tbsp sodium polyacrylate (artificial snow) yields a malleable, glow-in-the-dark mass. Pour 200 mL PVA glue into a bowl and add some sodium tetraborate. Stir. Before it has time to thicken, add the sodium polyacrylate mixture. Stir until it turns into cloudy slime. If you turn off the lights, you’ll notice an unearthly glow!
Sodium polyacrylate’s structure allows it to absorb and retain large volumes of liquid. It easily absorbs the water and dye. The paint we add, incidentally, is no ordinary paint – its molecules are able to absorb light and emit it in the form of a slow glow. Such a glow is called phosphorescence. The brighter the light and the longer the exposure to it, the longer and more intensely the phosphorescent substance glows.
Safety precautions: Do not try this at home. Only under professional supervision.
Why does this slime glow in the dark? Find out in this video!
Equipment: sodium polyacrylate (artificial snow), phosphorescent paints, water, PVA glue, sodium tetraborate (borax).
Combine some phosphorescent paint and water to create a fluorescent base. Adding this base to 2 tbsp sodium polyacrylate (artificial snow) yields a malleable, glow-in-the-dark mass. Pour 200 mL PVA glue into a bowl and add some sodium tetraborate. Stir. Before it has time to thicken, add the sodium polyacrylate mixture. Stir until it turns into cloudy slime. If you turn off the lights, you’ll notice an unearthly glow!
Sodium polyacrylate’s structure allows it to absorb and retain large volumes of liquid. It easily absorbs the water and dye. The paint we add, incidentally, is no ordinary paint – its molecules are able to absorb light and emit it in the form of a slow glow. Such a glow is called phosphorescence. The brighter the light and the longer the exposure to it, the longer and more intensely the phosphorescent substance glows.
Safety precautions: Do not try this at home. Only under professional supervision.
