In movies and video games, stun grenades or flashbangs can temporarily blind and deafen you. But do you know how they work in real life? In this video, we will talk about how to use a stun grenade and how to survive it.

Unlike frag grenades that will shatter into pieces, stun grenades will not break but will only let the light and sound out through the small holes on the surface. The bright light and loud sound are the products of chemical reactions of the magnesium-based chemicals inside.

Want to know how a stun grenade can impact our eyes and ears? Can we simply close our eyes and cover our ears to survive it? Watch the video now as we explore the physics of flashbang.

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