Guess why I need to force myself saving some money? Because I can't help buying random stuff.
This week is glow sticks from Japan, 2 USD per stick. It's pretty expensive in terms of being a toy (it's not a toy). But guess what, it's super cooool!
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15 hours and still glowing. But at this time the light is super week, I don't think you can read with that. You can only tell something is glowing.
Praise the chemistry, again.
