r/todayilearned • u/Ill_Definition8074 • 12h ago

TIL In 2019 a Japanese University student studying ninja history turned in an essay written in invisible ink. The words only became visible when the paper was heated over a gas stove. Her professor without even revealing the whole essay gave her an A.

https://www.bbc.com/news/world-asia-49996166
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u/Jomax101 10h ago edited 9h ago

Computer science classes had the best grading ever, the Harvard cs50 class is entirely online, you aren’t even a student, and it marks and grades your work faster then my actual lecturers from my university im actually enrolled at

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u/malhans 10h ago edited 8h ago

You sound like someone who wasn’t taking actual computer science classes lol. Everything you just described sounds like duping your way to finishing the class without realizing the point of the work is to teach you computer science.

Edit: I misspoke entirely on who I was replying to, I wasn’t even intending to talk about the level of class this comment is based on haha.

definitely my error, but I do understand the point of the CS50 class. You aren’t going to figure out you don’t like coding if you don’t do the assignments for said coding class. That’s all I meant!

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u/Regniwekim2099 10h ago

CS50 is just an intro class to see if you want to do computer science. I tried it and got stumped on the week 5 assignment and decided computer science wasn't for me.

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u/ExplodingAK 9h ago

What was the week 5 assignment

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u/Regniwekim2099 47m ago

It was to write an algorithm in C to calculate the winner of a runoff election. I might be getting my weeks mixed up, but that was the assignment that did me in.

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u/rcl2 8h ago

Yep. I'm on week 4 and it's been pretty brutal so far. I'm not sure how I'll finish the whole thing.

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u/malhans 9h ago

I know what it is, I’ve taken computer science courses. I’m only speaking to the way this person claimed they completed the class by submitting zipped files and doing nothing.

Glad you figured out it isn’t for you! Totally valid and absolutely the reason it exists. Which is why you should actually do assignments before pushing yourself into harder classes by completing one in a way where you did no work.

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u/xFxD 9h ago

The zipping guy and the harvard guy are two different accounts.

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u/Jomax101 9h ago

Thanks for clearing that up for him, was confused how taking a voluntary computer science class (one of the best possible introductory courses in education available, let alone computer science) is somehow not an actual computer science class

The professor is one of the highest paid educators for a reason, David Malan is so bloody good they pay him 50% more then the PRESIDENT of the university

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u/malhans 9h ago

Ah. That’s my bad for sure then! I stand by what my point was getting at with the zips guy though. He didn’t learn anything which defeated the purpose of the class.

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u/xFxD 9h ago

Completely agree.

Unless it's a course on pen-testing. In which case I'd say he successfully found the exploit and completed the assignment.

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u/Jomax101 9h ago

I know someone pointed this out already but you replied to the wrong person, you can’t do what he said for the cs50 course

Both our emblems are the yellow dude so I can understand the confusion

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u/malhans 8h ago

Yeah that’s totally my bad on the mixup there lol

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u/zellyman 8h ago

It's a 50 level class lmao. It's a weeder