Doubting your own knowledge is normal and it is actually a sign of intelligence, because even the great Greek philosopher once said “I know that I know nothing.” But there are times when you actually know something, but others are not that informed, so you are left in the place of a fool.
Reddit user SlashFan18 started a thread of people sharing their experiences of being in such a situation by asking them “What was your ‘Why are you booing me? I'm right’ moment?” and there are so many frustrating ones, some of which are actually quite concerning when they happen at school.
Do you have any similar tales to tell? Which one of these were you most surprised about? Let us know your thoughts and experiences in the comments!
More info: Reddit
#1 For Saying Water Can Be Used To Create Electricity

When I was in 1st grade, I said that electricity can be gained via water (hydropower), everyone started laughing at me until my teacher said: "He is right."
The whole class went silent.
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228points
#2 For Saying That The Number 2 Is 2/3 Of The Number 3

When I was in 8th grade I made the (apparently controversial) statement that the number 2 is 2/3 of the number 3. I had 5 people try and convince me otherwise by doing long division on the board and saying, "see, it's not 2/3, it's 0.66 repeating." Bunch of mouth breathers.
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182points
#3 For Saying Cold Water Is As Effective In Killing Germs As Hot Water

I got downvoted like crazy for saying that a nurse told me that cold water and soap kills germs just as well as hot water when washing your hands. Linked some sources and everything. Then people started calling me a troll.
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180points
#4 For Saying The Japanese Bombed Pearl Harbor

Grade 7 (Canada), we were learning about medieval Japan in Social Studies class (basically history class). I made a comment that the Japanese bombed Pearl Harbor, a kid said it was the Germans and some people backed him up. Teacher said she forgot who bombed Pearl Harbor but it wasn't the Japanese. If only smart phones existed back then.
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171points
#5 For Saying That A Third Of The English Language Comes From Normandic French

My class didn't believe me (teacher included but he admitted later that he was wrong) when I said that a third (1/3) of the english language come from normandic french.
Another time when I said that the wireless communication protocol's name, bluetooth, come from a king of Denmark that was called Bluetooth
F**k them I was right all along :'c
160points
#6 For Saying Germany Has A Coastline

Me saying that Germany has a coastline, and everyone in class, including my teacher disagreeing. Still remember it over 12 years later.
159points
#7 For Saying That Homosexuality Has Been Observed In Over 1500 Species

Class discussion on gay marriage in a sociology class in college, circa 2003. I stated the scientific fact that homosexuality has been observed in over 1500 species, and basically got booed/laughed at.
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157points
#8 For Explaining How Cardio Affects The Body

Just the other day, there was a thread about "What do people get wrong about exercise?" I said that cardio is not about burning calories. It's about depleting sugar from your liver so no new fat is created. When you eat, the liver processes the calories into either energy or fat storage. When you exercise, the body uses sugars from the liver for quick energy. This is why marathon runners carb-load before a race. But even if you're not running a marathon, the principle still works. Do half an hour of cardio a day, deplete the liver, and no new fat will be created. Then, when you're just sitting around, there's no sugar in the liver, so the body has to break down existing fat for energy. Hence, you lose weight.
But the myth is that you eat x-number of calories, and then you have to do x-number of hours of cardio to burn those calories off. That's not how metabolism works. I even provided [links](https://youtu.be/LRkcvDyQwho?t=4283) from an endocrinologist explaining it. I mean, I agree exercise makes you lose weight, and binge eating sabotages the process, but it's not about "burning calories". It's about depleting the liver of glucose.
Of course, people don't like reading anything that challenges their pre-existing beliefs. So I had some guy calling me an a*****e, etc. I politely explained, "Just because you disagree, doesn't mean I'm automatically wrong."
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151points
#9 For Saying Snakes Have A Spine

In 2nd grade I joined the robotics club. One day we were learning about how an animals bones affect the way animals move, and the teacher asked “ Give me examples about animals with spines” I said snakes. She said snakes are like worms and lack spines.
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145points
#10 For Drawing Green Grapes

In kindergarten I drew a picture of grapes and colored them green and the other kids AND the teacher/caretaker were saying there are no green grapes, only purple
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128points
#11 For Explaining How To Hold A Flask Correctly During Laboratory Class

4th grade. We had our first laboratory class and we were learning about the lab instruments and basic safety.
We were divided in around 4 tables with 6 students each, and each table had a flask with coloured water in it. The teacher told us to by turns each one grab the flask and pretend to mix the liquid by spinning it.
The first kid in my table grabs the flask but in a way that his hand covers the flask's mouth. I tell him such and that he should grab it by the neck sides instead of the mouth because if it was acid it could splash to his palm and hurt him. The other kids at my table started calling me a crybaby saying that it obviously "isn't acid" and that it was only "coloured water like the one they use in my juice", and they all proceed to hold and mix it improperly.
Eventually the teacher teaches us the correct way to hold flasks and mix them after seeing everyone grab them incorrectly. He tells us to grab them by the neck sides (just like I said) and to not cover the mouth with our hands because if it was real acid we could get seriously hurt (just like I said).
I still get a bit salty when remembering that.
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128points
#12 For Saying That Ambulances Have Their Sign Mirrored To See It Right In The Rearview Mirror

In 5th grade we have a problem on Math class with mirroring images. It asked if you are driving in a car and look in the rearview mirror how would you see the ambulance embleme if an ambulance car was driving behind you. I said you would see AMBULANCE because (at least in my country) those signs are intentionally put on mirrored, so you can see it normally in a mirror. Everyone said I was stupid even the teacher. I still remember it after 8 years.
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126points
#13 For Breaking Up Two Mentally Challenged Kids Fighting

years ago when I was in middle school, two mentally challenged kids got into a fight in class. it wasn't like a full out fight, mostly pushing, but they definitely got into it with each other. turns out kids heard about this, and the egged them on so that they would fight outside during lunch. I somehow found out about it, and when I got there, the two kids started to have a full on fist fight. As all the kids surrounding them cheered I rushed in to break them up. It was difficult breaking it up because the two kids really were going after each other, and no one else really helped to break it up. Eventually teachers caught wind and broke it up. As they did, kids started to literally boo me and curse at me for breaking up the spectacle. I was shocked. Don't get me wrong, I'm not some white knight and I totally get it that when you're a kid you love watching fights. Heck even as adults we have some primitive innate entertainment by watching people duke it out, but there was something incredibly wrong about watching two mentally challenged kids being egged on to fight to the amusement of kids who were laughing at the situation.
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106points
#14 For Saying That Rocket Parts Just Fall Into The Ocean After They Are Abandones By The Spacecraft

I’ve had many booed moments, but this is a more recent one. In my science class we were watching a few documentaries about the US space program, and the topic of pollution came up with fuel consumption and in the midst someone asked about where the parts of the rocket go once they are abandoned by the spacecraft. I commented how it just falls and NASA pretty much just hoped that it didn’t fall on people. One of the reasons they launch out of Florida or a cape is so the parts end up in the water and not hitting civilization, but nobody believed me since it would be then that NASA is polluting the ocean.
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105points
#15 For Leaving A Job For Mental Health

I recently decided to retire from a somewhat dangerous profession in order to better look after my mental health, but a lot of people didn't like it and thought I owed it to them to keep working.
99points
#16 For Explaining How The Spanish 'C' Is Actually Pronounced

I was once in a chorus in my community college and they had interesting social dymanics. It was primarily older white women, who were the alphas of the group. So we were doing a latin american carol called "vamos pastorcitos" and there was debate between them about the pronunciation of the "c" I said the soft c is pronounced like an s, an old lady in the group said it was pronounced like the ch in cheese. I said "you're thinking of italian, in Spanish it's pronounced as an "s" or in many european spanish dialects like a "th"" The choral conductor went with her churchy old lady friend and they all pronounced it like "Vamos pastorcheetos" it still haunts me to this day.
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87points
#17 For Saying Tha The Bisigoths Sacked Rome

The question in history class was "who sacked Rome" and I raised my hand and answered "the Visigoths." Everyone laughed along the lines of "that's a ridiculous name there's no such thing as the Visigoths" and that the Vandals sacked Rome, which is where we get the word vandalism from.
While yes, the Vandals did sack Rome, so did the Visigoths in the year 410.
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83points
#18 For Saying It's Not Unrealistic To Know Basic Conversion Factors

Me telling Grade 11 University High School students it's not unrealistic to know basic conversion factors (i.e. 1km=1000m).
Edit: I should clarify, which is gonna make this that much worse. This is in Canada, where the Metric system is a thing.
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74points
#19 For Forgetting To Mention Pluto As A Planet

I forgot Pluto on my list of planets in 3rd grade. Got a B+ instead of an A. Should've gotten extra credit.
Who's laughing now, m***********s?
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73points
#20 For Saying That The Orbit Speed Of The Space Shuttle Is 18,000 MPH

A professor in undergrad asked what the orbit speed of the Space Shuttle is. I volunteered 18,000 MPH (its 17.5k MPH) and he laughed and said absolutely not, and compared it to the speed of an airliner (~500 MPH).
F*****g idiot.
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71points


