Thanks for this kind of video. Tbh, I understand YT vids clearly than my online class teacher.

If only my teacher was this funny looking + explained as nice

@MarkRosengarten Thanks for getting back to me. After watching your demonstration I hunted around for a flame spreader for my propane torch. I have already been using propane to fool around with various bits of glass. I was trying to make a coil for a see-through pop-pop boat. I actually have nice safety glasses and a small oxyacetylene torch- though I'm kind of scared of it. I just need a wider flame. The annealing flame is tricky with a LP torch. Used a foil collar-not great.

Thank alot easy and direct to point

Gave a thumbs up after the yellow snow joke. Great video, watching before chem lab

thanks, it helped me a lot in answering my chemistry lab activity.

Good stuff - Great voice for this kind of video. Thanks!!

Can't wait to buy my Bunsen burner

could you make a video about how to make micropicnometer?

Fun video! Curious have you ever manipulated Pyrex sheet in a Bunsen Burner? I have a multi barrel burner that I have never really used.

After thoroughly watching this video, and learning how to bend glass, is there any way to bend the glass at a different angle then strictly 90*? I know I'm being a ... yeah.. but thank you for thr video, even if I'm a bit late to class

Very nice video, thank you sir. :)

Great video, informative and very entertaining (love the jokes)!

Where can i buy the tubing locally?

@DrakeDorosh You can get a propane torch from Home Depot! Be careful whenever working with it. Fair warning! :)

When you over tighten then valve... that was priceless

Can I use propane? Is there a commercial supplier of methane?

SiO2 is merely the ratio. Silicon has 4 valence electrons, which it can't make with only 2 oxygen atoms. Silicon is quite strict about its bond angles - it doesn't like two bonds coming off in the same direction. As such, AFAIK, there's no such thing as an isolated molecule of SiO2 consisting of one silicon atom. Generally, a large structure is formed, with atoms of oxygen sharing atoms of silicon. I don't know if it's stretching it to call it a molecule, but it's certainly longer than 3 atoms!

@MaBuSt Did he say that? Glass is simply SiO2... :/, that's not super long lol.. at all

Why shouldn't I saw? (with the file)

"...long chain molecules that make up glass."?

If ever na merong crim student from MPSPC makabasa neto, Like niyo to for attendance

you could do that in 2 minutes

HI ANYONE WHO HAS TO WATCH THIS VIDEO CUZ OF MS. PFIFFER OR WHATEVER HER NAME IS.