Комментарии:
Nice 👍
ОтветитьOld RAW Secret agents trick 😅😅😅😅😅😅😅😅
ОтветитьBroo I'm s9 happy this showed up I have a science fair next week Xd
ОтветитьSo me gonna sub and like we'll deserved for ACTULLY
the first time ⏲️! ✌️
Now i will the next 1st ranker
ОтветитьPretty cool
ОтветитьI diad this in 1st grade😂
ОтветитьReal ❤❤❤❤
ОтветитьAfter all these years.. Finally, I can write in Them.
ОтветитьThe ending is scary!!!
ОтветитьWe all know that we learned that from science class
ОтветитьIt's so good bro yo
ОтветитьWhat is in the cotton 😂😂😂
ОтветитьBut erase kase ho ga
ОтветитьNext video:how to make uv light
ОтветитьThank you, you've just save my time of buying a lot of components, thanks ❤
ОтветитьMake a pill that stops excessive angry negative side effects like weakened immune system, memory power loss, forgetting many things or thoughts, mental health issues, skin problems, blood pressure increases, heart pain, vision loss, abdominal pain, diabetes, low testosterone level in male etc for whole life after taking it but notice that this pill have no negative side effects and make a rule all over the world that this pill are free for everyone.
Ответить🍊 India
ОтветитьI found it interesting why they stopped using invisible inks because any pen you use damages the fibers of the paper so you can just use iodine fumes, and it will show any invisible writing rendering them all obsolete
ОтветитьAnd i wanna
ОтветитьKiss you
ОтветитьIt didn't work 🤬🤬🤬🤬
ОтветитьNow give me sodium carbonate
ОтветитьHeehhheeeeheh maja nahi aaya hhahhahhahahahaheheheheheheheheheheheh😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😅😂😅😂😅😂😂😂😂😂😂😂😂😂😂 cheating mai kaam ayega heehehehhehe😅
ОтветитьThe smoke off the ghost is incredibly cool!
ОтветитьYou can see it with U.V ray too U.V ray means ultra Violet ray❤
ОтветитьJust commenting for the extra interaction(2 years late)
Ответить😂😂😂😂
ОтветитьThat's so cool
Ответить❤️🧡💛💚💙🩵💜🩷🩶🤎🖤🤍
ОтветитьHow long that can be visible under ÚV? Days, years?
ОтветитьCopy Karo maro
ОтветитьWe used to just use lemon juice.
Ответить❤❤❤
ОтветитьIs it skin safe
ОтветитьMan my teacher showed me this video for a science project
ОтветитьCan you drink it lol
ОтветитьOh bro it's Boo I just understand another thing
For those who understand
🗿🗿🗿
I love how this experiment makes learning so much fun!!
Ответить"Start by mechanically separating the ink reservoir from the highlighter" more like smash it with a hammer until a fluorescent liquid starts dripping out
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Ответитьis it necessary to use uv light or any other light
ОтветитьThanks my magic uv light pen lost its ink
ОтветитьThis didn't work for me. Adding the lemon juice to the liquid extract of the highlighter (blue) indeed made it transparent but brushing washing soda sol. over the letter didn't make them visible. pls let me know what your alternatives were for washing soda the made it work ;)
ОтветитьWhere can you get sodium carbonate?
ОтветитьWait does a highlighter use the same material as glow sticks?…
Ответитьwhy does highlighter liquid glow
ОтветитьAwesome 👍
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