Know.it Blog
Study guides written from our animated lessons — answer first, then the full explanation, key terms, practice questions and a free PDF. Every guide links to its animated lesson.
Topic time : sub topic read the time
Imagine this — you wake up, glance at your phone, and it says 7:15. But how do you actually KNOW it's 7:15 and not 7:50? Here's the thing — a clock face…
General · English
ARM Cortex-M architecture. Draw and the architecture diagram step by step
Seedha jawab: ARM Cortex-M ek family hai chhote processor cores ki — matlab 'dimaag' — jo ARM company design karti hai. ARM sirf design aur rules banati…
General · English
Visualize double integral using cartesian plane in finding the centroid of an area
Here's a strange thought — a flat metal plate can be balanced on the tip of a single pencil. The point where it balances perfectly is called its…
Mathematics · English
Why does solving for centroid of an area requires double integral?
Here's a strange one. To find the center of a flat shape, you don't just add up points — you have to slice it into millions of tiny pieces and add them…
Mathematics · English
First moment of area
Picture a football team lining up for a free kick. The wall shifts to one side — not randomly, but to balance the force. That's the first moment of area…
General · English
Create 20 minutes presentation with visualize images animation transition Examples rules Class 3 Topic: Time…
Look at your phone right now. It says 3:15 PM. It's a story about how we measure the world's biggest secret — time. A clock face is like a treasure map.…
General · English
Draw a triangle ABC where AB = AC. Mark M as the midpoint of BC. why AM is perpendicular to BC
Imagine a triangle that's perfectly balanced — two equal sides, like a seesaw with equal weights on both ends. There's a hidden line inside it that…
General · English
What is an equation?
You've seen them everywhere — x plus 2 equals 5, that kind of thing. But an equation isn't just a line of symbols. It's a tiny, perfect balance scale.…
Mathematics · English
What is "hypo"? How is this prepared? Mention its important uses?
ये word 'hypo' आपने chemistry class में ज़रूर सुना होगा. पर क्या आप जानते हैं कि ये सिर्फ़ एक chemical नहीं, बल्कि photography से लेकर swimming pools तक…
General · Hinglish
Data driven management 1st chapter disruption explain
Imagine a company so big it feels unbreakable. Then one day, a tiny startup nobody heard of quietly takes its customers. Many people think disruption…
Business & Marketing · Hinglish
What's the need of classification's?
उसके room में एक ही drawer में socks, t-shirts, books और cables सब कुछ पड़ा है। हर सुबह उसे जो चाहिए वो ढूंढने में दस मिनट लग जाते हैं। एक दिन उसकी दीदी…
General · Hinglish
History of animal classification
A lion, a mushroom, and a human walk into a museum. Believe it or not, they all share one family tree — and figuring out who belongs where took humans…
Biology · Hinglish
Https://www.youtube.com/watch?v=Jm00rs_H4yS8o summerize it and and imp formulas for solveing tmrs exam and i…
Imagine you're on a roller coaster and the track suddenly disappears — you'd fly off in a straight line. That's exactly what the law of inertia says.…
General · English
भारतीय राज्यघटनेतील मूलभूत अधिकार animation मधून समजावून सांग."
तुमच्या हातात एक कागद आहे — त्यावर लिहिलंय की सरकार तुम्हाला काहीही करू शकत नाही. तो कागद म्हणजेच भारतीय राज्यघटनेतील मूलभूत अधिकार. हा कागद फक्त कागद…
General · मराठी
Vlookup video
Imagine you have a list of a thousand students and you need to find one mark in two seconds. That's exactly what VLOOKUP does — and it never gets tired.…
General · हिंदी
किसी विद्युत द्विध्रुव के कारण अच्छी स्थिति में किसी बिंदु पर विद्युत क्षेत्र की तीव्रता का व्यंजक प्राप्त…
हे ज़रा सोचो — तुम्हारे phone का charger wire अगर आधा कट जाए, तो भी बिजली चलती है, है ना? लेकिन अगर wire के बीच का हिस्सा हटा दो, तो charge होना बंद हो…
General · हिंदी
Ecg block diagram explanation
லோஷினி, உங்கள் இதயம் ஒவ்வொரு நொடியும் ஒரு மின் சமிக்ஞையால் இயக்கப்படுகிறது. அந்த சமிக்ஞையைப் படிக்கும் கருவிதான் ECG. ECG என்பது இதயத்தின் மின்…
General · தமிழ்
Easy explanation and number system
Here's a strange thought: the numbers you use every day — 0, 1, 2, 3 — are just agreed-upon symbols. But the system behind them is so clever, it lets you…
General · English
Calculus
Imagine you're driving on a winding road and your speedometer needle is dancing. Calculus is the tool that tells you your exact speed at any single…
Mathematics · English
What is money?
Look at this note in your hand. It's just a piece of paper — but somehow it can buy you a meal, a movie ticket, or even a house. Many people think money…
General · English
Small conversation
Have you ever been in a conversation where you had something brilliant to say — but the words just wouldn't come out? That's not a personality problem.…
General · English
English speaking corse
Have you ever frozen up when you had to speak English — even though you knew the words? That's not a vocabulary problem. It's a confidence problem — and…
General · English
How to print worlds in coding?
Imagine you're an explorer with a blank map — and you need to fill it with entire worlds. That's exactly what 'print' does in coding. Many people think…
Computer Science & Coding · English
What is Consumer Psychology?
Ever walked into a store for one thing and walked out with five? That's not an accident — it's consumer psychology in action, and it's been studied for…
General · English