Defog your windows TWICE as fast using SCIENCE- 4 easy steps

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Chargèro : Now make a video on how to deFROST :)

Porglit : Use shaving cream to shave off a couple minutes from your morning commute. Cute.

Alexandre SAINT GEORGE : There seems to be some confusion here between "de-frosting" and "de-fogging" / "de-misting"...

Darin Hawrylak : In Canada you can't always open your windows cause 90% of the time the windows are frozen shut

Simply Me! : My mom just turns on the wind shield wipers

TheBackyardScientist : I discovered an even easier to defog your windows.. Move to Florida!

iaag o : you could just wipe it with a towel

Moose Musson : I know the quickest solution, use the garage!

MiningwithPudding : 5:10 The add before this video was actually about "chem-trails".

mistaxtony : Ahh no wonder the a/c gets turned on when I switch on the defogger/deicer

TurboCMinusMinus : Does this also work with linux?

Hezekiah Domowski : I didn't know that any car will do heat and a.c. - mine doesn't

Jonny DIY : *Close shave, America. Close shave Barbasol*

6977warrior1 : Turning on your AC when it's super cold outside will ruin your AC compressor. Do not do what he says.

ANIME GODZ : Umm...just use a bucket of warm water and pour it on your window and it defrost in idk 0:5 second

GunnedDownAtrocity : Mark seems like a really nice a guy. Like a guy you could hang out with at a picnic all day. And a few hours in, you'd be absolutely annihilated, while Mark has paced himself and may or may not have a slight "buzz." But he wouldn't judge you for it. And he would at least appear to still have a good time. Because he's a really nice guy.

Lance Roark : Does his looking off screen to his friends bug anyone else?

David Albee : Can you explain the shaving cream hack more?

Veedo C : I stopped watching after he said "suckiest"

Ry P : Thank you for identifying the mysterious blue liquid they use in ads for menstrual pads.

Skykid : Turn your windshield wiper on boom gone

gothops154 : I'd recommend not using AC when having the blowers directed on your windows as over time it can leave an film which makes it foggy and hard to see out of especially at night.

J Girl : I just did a test of the shaving cream on my bathroom mirror. If it works, my car is next! I'll know in the morning

mike mcgln : SO YOURE SAYING, NO FUCKEN CHEM TRAILS ????????

Chrnan6710 : The Rober Principle: If Mark makes a video, it goes viral.

Webster Youngblood : Chemical trails and condensation trails are not the same

Chris R : Chem trails are real

Chargèro : Fog and humidity is nothing, try coming up to Canada where we have freezing rain...fun times. Also when snow hits the warm glass of the car you have just been driving, or when it's warmer during the day and the temp drops at night, this causes frost build up on the outside of the windshield (usually at the bottom near the wipers, usually freezing them in place). Harder to remove and takes longer. If you have cracks or chips on your windshield, an excellent way to turn them in to a spiderweb is to beat at it with a scraper or blast the defrost heat directly on to the windshield. Also cranking the wipers when they are frozen in place or covered with heavy wet snow is a perfect way to break them or burn the motor assembly. Frost builds up on the INSIDE of the car when you have water/melted snow in the foot wells, or the floor mats are damp. When you lave the car parked, and the temp. drops at night, the rising moisture freezes to the inside of the window. The best remedy for preventing it is to keep the inside of the car dry as much as possible, like putting news papers in the foot wells, and silica packets on your dash to absorb any rising moisture that may reach the windshield area. Hopefully you learned more from the info in my comment above than having wasted your time watching this video.

Andrew Skujins : Thumbs down for American units

MotoBoy : I don't think the towel example worked really well, but that's just my opinion

bowwowmusic8 : Omg just shut up and tell me asap

the greek guy viva-greece : I found just driving away and saying at the same time, good luck I drive now, is the fastest method for me.

Avery Lopez : 3:36 Your welcome 🤷‍♂️

Robert : Technically they are chem trails because everything is a chemical

KeEnAn : I was late for work watching this...thanks.

transce080 : I already knew this but I loved the explanations. :)

Courage Is Standing Up Alone : +Mark Rober - Why does a smokers automotive windows seem to fog up more than a none smokers automotive window? I can't just say one type of vehicle for the trolls will attack my question.

Natabulous : so the shaving cream was applied on the inside of the window?

Josh Stevens : Before the video there was an ad for chem trail awareness

Joy Hu : Welcome to Canada

Annabelle van Berlo : You are truly a imspiration to me, i’m now 14 years old and many people around have a plan for their lives while i only know i want to move to Londen... i love stuff like this and logical thinking and i would love to work at NASA i don’t know what i would do there but it seems amazing. You help me staying motivated to get there someday, thank you for that❤️

Alan Lora : My dad just got hot water and poured it on the window and everything was gone.

Caleb Limb : I tried to grab fog, but I mist.

John Gomez : This so called scientist doesn’t believe in chem trails lmao

billy boop billy boop : Shaving cream

CE Diamonds : Heres an idea WIPE IT OFF

Jethro : Now do: 'How to defrost your windows quickly'.

michelle brown : Let's just get rid of the whole Kardashian family. Maybe send them to Mars?

Ruben Hofman : just get to the point

B Mck : If you live in Canada, just be thankful!