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Latest On Street Science

How To Really Solve This Tricky Algebra Problem (XI)

Published on December 23, 2022 by Hemanth

How To Really Solve This Tricky Algebra Problem (XI) - Whiteboard style graphics showing the following information: The following two equations are written on the left: a+b+c=2022; (1/a)+(1/b)+(1/c) = 1/2022; On the right, the following question is asked: (1/a²⁰²³) + (1/b²⁰²³) + (1/c²⁰²³) = ? (what)
The Tricky Algebra Problem Series celebrates the joy of algebra! Problems range from beginner to advanced levels. This one has a medium difficulty level!
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How To Actually Count To Infinity?

Published on December 21, 2022 by Hemanth

How To Actually Count To Infinity? -  A deep-thinking stick figure is asking the following question in its head: "How do I count beyond infinity?" Below this bubble is seen the following word highlighted inside a square block: Infinity. Beside this block is a seal that says 'For Dummies - Approved' on it.
This essay is a crash course on infinity for dummies! Read on to learn how the fundamentals of set theory help us actually count to infinity!
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How To Choose The Fastest Supermarket Line?

Published on December 19, 2022 by Hemanth

How To Choose The Fastest Supermarket Line? - An illustration showing stick figures standing in queues in front of three counters: A, B, and C. There are four stick figures in front of counter A, 5 in front of counter B, and 8 in front of C. All three counters are operated by stick figures. The second-last stick figure in line 'C' is marked 'You'. There is a box beside this illustration with the following question: "Which is the fastest line?"
A scientific field called queueing theory studies how one could choose the fastest supermarket line. The solution is more counter-intuitive than you think!
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A Career Based On Passion Is Risky. Here Is Why.

Published on December 16, 2022 by Hemanth

A Career Based On Passion Is Risky. Here Is Why. - An illustration showing a stick figure who seems to be panicking. The stick figure seems to be stuck in front of a dilemma between two paths. The path on the left is labelled "Career", and the one on the right is labelled "Passion".
This essay exposes the hidden reasons for why a career based on passion is risky. The bitter truth is hard to swallow. Read the essay to learn more!
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The Grue Paradox: Induction Does Not Really Exist.

Published on December 14, 2022 by Hemanth

The Grue Paradox: Induction Does Not Really Exist. - An illustration showing a green gemstone on the left and a blue gemstone on the right. Around this illustration, the following question is posed: "Are emeralds green or blue?"
The grue paradox exposes a central problem in the philosophy of science. It leads to the conclusion that induction does not really exist! Read to learn more!
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How To Solve 2×2 Equations In A Single Step

Published on December 12, 2022 by Hemanth

How To Solve 2x2 Equations In A Single Step - Whiteboard style grahics showing the banner "An underrated algebra tool". This banner points to a 2x2 equation system showing the following equations: 2x + y = 2; x − y = 1; Some arrows seem to indicate cross-multiplication among the terms of the two equations.
You typically need substitution/elimination to solve 2x2 equations. But the method in this essay lets you skip that & arrive at the solution in a single step!
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Can You Really Stop Time? (Sci-Fi Style)

Published on December 8, 2022 by Hemanth

Can You Really Stop Time? (Sci-Fi Style) - An illustration showing a stick figure pulling the long hand of a big clock using a lasso/rope. It appears that the stick figure is trying to either stop time or slow it down.
Even if you could really stop time, your life would not at all be like you would expect. Check out the essay to learn more about the science behind this.
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Unpopular Candidates Win Elections. How? Here Is The Math.

Published on December 6, 2022 by Hemanth

Unpopular Candidates Win Elections. - A whiteboard style graphic illustration showing three stick figures: A, B, and C. A shows a smug reaction with folded hands; A is also an unpopular candidate. B shows a happy reaction with raised hands; B is a popular candidate. C shows a panicking reaction and is an irrelevant candidate. Below these stick figures, the following question is posed: "Who will win??"
Unpopular candidates win elections now and then; no big news. But did you know that applied math can explain why this happens? Check out the essay for more!
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The Origins Of Entropy: The Hidden Reason Behind Technological Growth

Published on December 5, 2022 by Hemanth

The Origins Of Entropy: The Hidden Reason Behind Technological Growth - An illustrative art showing a cube of ice on the left, a glass of water in the middle, and a steam engine spewing steam from its chimney on the right. On top of these images, the word "entropy" is seen in a box. The ice cube has lower entropy than the glass of water, and the glass of water has lower entropy than the steam produced by the steam engine.
In this essay on the origins of entropy, we look at how it all began. Now, entropy is our key to answering many basic questions. But it had humble beginnings.
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Calculus XIII: How To Really Understand The Chain Rule

Published on December 2, 2022 by Hemanth

Calculus XIII: How To Really Understand The Chain Rule - Whiteboard style graphic illustration showing the following information: y = f(x) = (x² + 5)^(3/2); dy/dx = What (??)
In this 13th calculus series essay, we cover the chain rule of calculus. Learn the mathematical framework behind one of the most useful rules of calculus!
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