MAGNESIUM and GALLIUM REACTING to LASERS #asmr #science

I decided to test which element visually looks the coolest when engraved with a Fibre laser with a 1064nm frequency. The results were incredible and I think Silver gets the first place prize for the green color it gives off. Should I try Uranium or Plutonium next? The 3 elements used were:

1. Ga - Gallium
2. Mg. Magnesium
3. Ag - Silver

The elements used in our previous short were:
1. Al - Aluminium
2. Nb - Niobium
3. Cu - Copper
4. Zr - Zirconium
5. Bi - Bismuth
6. Sn - Tin
7. V - Vanadium
8. Zn - Zinc
9. W - Tungsten
10. C - Carbon
11. Fe - Iron
12. Cr. Chromium
13. Mo - Molybdenum
14. Ti - Titanium
15. Co - Cobalt

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[lindboknifeandtool]

Because silver reflects light better than any metal… and maybe natural element?

I’d really like to see you laser a black oxide coated silver piece, and see if the removal of oxide with a laser would leave a mirror finish or at least a very reflective one

[Bacon_god]

Gallium:AGHH-
Magnesium and silver: yo huge shoutout to my barber

[detaart]

That gallium can absolutely ruin that surface if it's made of aluminium

[borttorbbq]

Silver has the highest refractive index of any element. Don't use that on silver you're risking damage to your equipment

[onradioactivewaves]

Haha, there goes that plate now with the gallium on it

[jitenyasu]

Silver is both super reflective and very good at dispersing heat. In combination, this makes it super hard to generate the level of concentrated energy delivery necessary for cutting with a laser.

[jamesainsworth]

Silver requires a different Lazer frequency before it energizes enough to engrave

[manuelkress]

The silver reflects the laser light too much. It is highly reflective. I used laser welding machines in the jewelery industry before. To get a suitable weld you have to darken the surface by using a sharpie or something similar.

[vincentcyr]

The laser isn't focused on the much taller block. These laser etchers don't just fire a laser straight at something. They shoot it through a lens which focuses the energy to a pinpoint. If the item is too high or too low, the laser isn't focused on it, and doesn't etch

[ultamatedabbingnoob]

Magnesium haircut silver made it radioactive gallium melted its self

[gardenlifelove]

Silver oxide and the polished surface combined reflect the light in scattered directions, kind of like radar absorbing paint but for light.

[Evan-hmtz]

I think its because its very reflective

[FRUITDESTROYER]

Because gallium has such a low melting point that it can liquefy in your hand and the others have higher melting points

[aaronmejia]

Gallium can already melt in your hand from your body heat so that wasn’t very surprising, also doesn’t magnesium only react when exposed to moisture?

[Noobixm]

Lasers are still light, and light gets reflected.

[antontaranenko]

Laser gets reflected from silver cube... Make it the same rough surface as Ga and Mg cubes...😊

[night_san]

Because silver burns green, but only along the side did enough of the silver burn to overpower the light of the laser.

[mitchellpierce]

Silver is the best metal for conducting heat. I guess that is the reason. Doesn't allow it to heat up properly to clear the surface layer. It dispersed the heat too quickly.

[Exadus]

its a conductivity thing silver is the most conductive metal which means it also disperses heat very well

[viper]

I think the oxidation layer protects the silver

First u hit the edge of the silver block where its shiny, no rust

Thats where it glows green

And once u hit the oxidisation layer, its not strong enough to make it glow green, but it melts it back to normal silver