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So far as I know, cutting glass actually sharpens scissors. I cut the necks of glass bottles with my sewing scissors in-between sharpenings.

I wouldn't try it. I dont like glass cut or getting glass shards in my skin.

The water also seeps into the crack you are generating and causes it to propagate more easily. It is usually recommended to wet glass even when cutting it "conventionally".

i think he/she just switched out the sheet of glass with plastic when they put it in the water

what happens when he tries to drain the water (a sink full of broken glass and all).

But is it cutting straight and clean?

There will be no satisfactory answer till someone tries it.

All my year of scoring, tapping and grinding stained glass were wasted! If only i have known that a bucket of water was the key.
The glass was likely scored with a diamond wheel first and the scissors are just breaking along the score lines.

What is it with all these douchebags who don't know how to make a simple video? This doesn't show anything. I wanna see the finished cut - up close! It takes half the frickin vid to establish that, yes, it's glass! I think he just breaking it off with the scissors underwater to avoid the shrapnel.

I'm with you, Mark. All those years of scoring, tapping and crunching glass wasted!

If only I'd known!

/If this works, I'll buy everybody a beer. EVERYBODY!

http://www.spectrumglass.com/Library/ScoreArticles/NoFishStory.html

This does work, I remember seeing this done in my seventh grade science class. It's just a novelty, though- you can't get any precision.

I belive this really only works with some kind of safety glass.

Will one of you please just try it? He says in the comments on youtube to use thin glass like from a frame. Go go go!
btw complaining about online video quality is like complaining about the weather.

I just tried it with the glass from a picture frame...

It just broke. Honestly, I pressed on the scissors and it snapped it, not cut, snapped.

So, it doesn't work with all glass obviously.

in my world all glass gets cut nicely with scissors under water.

In my world, I get to play strip backgammon with supermodels.

Or, the water hid the glass pane when he did a switch in the water

i tried it and my sink exploded, hollywood action movie style!

Even if it does work, how does one pick up the shards of glass at the bottom of the sink or bucket without slicing off a fingertip? I want to see THAT video.

Don't try this at home!
http://www.youtube.com/watch?v=LBMtbVonAIg