How long does glow in the dark last?
Glow in the dark product using zinc sulphide will glow for up to half an hour, whereas products using strontium aluminate will glow for up to a whopping twelve hours!
What is glow in the dark called?
Persistent phosphorescence is the mechanism of most anything commonly referred to as glow in the dark.
Does glow in the dark need sunlight?
The object should be charged under direct sunlight or artificial light for 2-3 hours for maximum glow. For optimal glow, charge in direct light. Keep in mind, leaving an object outside will not provide consistent direct light for charging.