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There are many cases that old men or physically
challenged person's wand is invisible in darkly.
For that reason, person who walk the opposite
side hit that person and harm them.
I designed wand with LED that can emit the light
to prevent this accidents.
Gachon univ.
Incheon, South Korea
Gachon univ.
Incheon, South Korea
Soo-kyoung Lee
Hanyang univ.
Seoul, South Korea
Youngjune Park