Oversampling Data (Explained with Audio) – Computerphile

From Computerphile. If you run out of headroom with your chosen sample rate, how do you avoid the problems of unwanted harmonics? – Dave Domminney Fowler explains how oversampling can help. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean…

Calculate in 30 SECONDS in your head!

From Math Queen. In this math video I (Susanne) explain how to calculate the expression without a calculator. We use the order of operations and solve this problem in our head. Mathematics explained. 00:00 Intro – Calculate 0:26 How to solve it 4:04 See you later! *My German Math Channel:* ​⁠ @MathemaTrick *Find me on…

Your RAM Has a 60 Year Old Design Flaw. I Bypassed It.

From LaurieWired. Modern DRAM is based on a brilliant design from IBM. But, we’re still paying for a latency penalty that’s existed since the 60s! In this video, I’m introducing my personal research project (Tailslayer) that immensely reduces p99.99 latency on traditional RAM! By implementing a hedged read strategy taking advantage of (undocumented!) channel scrambling…

4211 – The Party Pooper Prime – Numberphile

From Numberphile. OEIS founder Neil Sloane on lines of primes, awkward primes… and a ‘party pooper prime’. More of this interview at https://youtu.be/u-_8wX4cECo Jane Street’s puzzle at https://jane-st.co/Numberphile-JS-NumberCross4 and more puzzles at https://jane-st.co/Numberphile-JS-Puzzles More links & stuff in full description below ↓↓↓ SOME RELEVANT OEIS SEQUENCES Lines of Primes: https://oeis.org/A373813 Awkward Primes: https://oeis.org/A393445 More videos…

Awkward Primes – Numberphile

From Numberphile. OEIS founder Neil Sloane on lines of primes, awkward primes… and a ‘party pooper prime’. More of this interview at https://youtu.be/u-_8wX4cECo Jane Street’s puzzle at https://jane-st.co/Numberphile-JS-NumberCross4 and more puzzles at https://jane-st.co/Numberphile-JS-Puzzles More links & stuff in full description below ↓↓↓ SOME RELEVANT OEIS SEQUENCES Lines of Primes: https://oeis.org/A373813 Awkward Primes: https://oeis.org/A393445 More videos…

Can YOU Find the Missing Side Length?

From Math Queen. In this math video I (Susanne) explain how to use the Law of Sines to find the length of a side of a triangle. We use the tangent in the right triangle to calculate a missing angle. Mathematics explained. 00:00 Intro – Find the missing side 0:23 Solution 2:16 Tangent in a…

Post Quantum Cryptography – Computerphile

From Computerphile. Prepping for Post-Quantum, Mike Pound explains why now! — Try Jane Street’s neural net puzzle: https://jane-st.co/computerphile-neural-net-puzzle (channel sponsor) — More links in full description below ↓↓↓ Computerphile is supported by Jane Street. Learn more about ML at Jane Street here: https://jane-st.co/Computerphile-JS-ML As we move toward a world where Quantum Computing can break certain…

How to break Magic the Gathering.

From Standup Mathematician. Try Jane Street’s neural net puzzle: https://jane-st.co/SUM-neural-net-puzzle And learn more about their Machine Learning team and open roles here: https://jane-st.co/SUM-JS-ML The artwork for the SUMTG cards was created by Tabitha Grove: https://www.tabithamaygrove.co.uk/ Thanks to Matthew Franklin for suggesting the video topic. We massively benefitted from this excellent breakdown here https://edhrec.com/combos/temur/380-703-2557 Huge thanks…

The Original Biggest Numbers – Numberphile

From Numberphile. Richard Elwes discusses the original Big Numbers… long before the likes of Graham’s Number and Tree(3). They are epic. More links & stuff in full description below ↓↓↓ More Richard on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWI42WXh1jnv51jHrcjatrk8 More big numbers on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJ_FwchNAjB3xa8UnoKdmQI More about Richard Elwes (who is based at the University of Leeds): https://richardelwes.co.uk/ Richard’s…

10th Grade Exam From 1964 – Find All Angles!

From Math Queen. In this math video I (Susanne) explain how to solve a 10th grade final exam problem from 1964! We use the Law of Cosines and the Law of Sines to find all the angles in a triangle when all three sides are given. Follow along step by step as we break down…

Haptic Rendering – Computerphile

From Computerphile. Haptics, often associated with video game controllers, are systems that provide a touch sensation for users, but how do we calculate the forces involved? Associate Professor of Robotics and Autonomous Systems Dr Ayse Kucukyilmaz is based at the University of Nottingham. Computerphile is supported by Jane Street. Learn more about them (and exciting…

A Simple Trick to Check Divisibility by 7

From Math Queen. In this math video I (Susanne) explain two simple methods to determine whether a number is divisible by 7. I explain divisibility rules that help you quickly check if a number is divisible by 7 without long division. Perfect for students who want to improve their mental math skills and understand divisibility…

This picture broke my brain

From 3Blue1Brown. Escher’s Print Gallery, and the tour of complex analysis it invites. Check out our virtual career fair: 3b1b.co/talent Join channel supporters to see videos early: 3b1b.co/support An equally valuable form of support is to share the videos. Home page: https://www.3blue1brown.com Original paper by de Smit and Lenstra: https://pub.math.leidenuniv.nl/~smitbde/papers/2003-de_smit-lenstra-escher.pdf Co-written by Paul Dancstep, who…

Can You Find ALL Solutions? – Polynomial Equation

From Math Queen. In this math video I (Susanne) explain how to Mathematics explained. 00:00 Intro – Solving Equations 0:17 Simplify the Equation 3:26 Polynomial Long Division 9:44 Quadratic Formula 12:09 Complex Numbers 16:23 See you later! *My German Math Channel:* ​⁠ @MathemaTrick *Find me on Instagram:* https://www.instagram.com/mathema_trick *Buy Me a Cup of Hot Chocolate?*…

The Weather Equation – Numberphile

From Numberphile. Chief Meteorologist Dan Harris discusses (at length) one of the most famous equations in weather forecasting – the Quasi Geostrophic Omega Equation. More links & stuff in full description below ↓↓↓ Catch our podcast with Dan on podcast players or here on YouTube – https://youtu.be/lnARyhaqMvU Dan works for the Met Office as a…

2 Circles, 1 Square – Can YOU Find The Area?

From Math Queen. In this math video I (Susanne) explain how to solve this geometry problem. We want to find the area of the square, that lies between two circles. We use the Pythagorean Theorem to create a system of equations and solve for our variable x. Mathematics explained. 00:00 Intro – Geometry Puzzle 0:41…

Calculating Pi with Skittles (and census data!?) – Numberphile

From Numberphile. Tony Padilla calculates Pi with Skittles – then uses UK population data to do the same thing. Results may vary! More links & stuff in full description below ↓↓↓ More Pi videos from Numberphile – https://www.youtube.com/playlist?list=PL4870492ACBDC2E7C More Tony Padilla videos – https://www.youtube.com/playlist?list=PLt5AfwLFPxWL8KAJKO3WfHhJcWrJfjgfU Tony Padilla’s book Fantastic Numbers and Where to Find Them –…

Calculating pi from coin flips (without randomness)

From Standup Mathematician. Happy Pi Day! The new value of pi is 3.2266. Pi-by-hand is happening – at some time in the future – at some location! Please opt-in for updates and tell us which places would work for you: https://docs.google.com/forms/d/e/1FAIpQLScprg57Bvv1jOfoMQwriHPegTnCjik2p9xrly0zQ84ANYMfEQ/viewform?usp=dialog Huge thanks to Jim Propp for discovering this amazing bit of maths. For more…

Feeling Grumpy about Pi Day – Numberphile

From Numberphile. Date formats and other reasons for Pi Day grumpiness from emeritus astronomy professor Mike Merrifield. More links & stuff in full description below ↓↓↓ More Pi videos from Numberphile: https://www.youtube.com/playlist?list=PL4870492ACBDC2E7C Professor Merrifield on Sixty Symbols (our physics channel): https://www.youtube.com/playlist?list=PLcUY9vudNKBNGAgplgACrGL9UlxyDHq7k Professor Merrifield is also a regular on Deep Sky Videos (our astronomy channel): https://www.youtube.com/@DeepSkyVideos…

Vector Search with LLMs – Computerphile

From Computerphile. Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s Numberphile. More at https://www.bradyharanblog.com

Can YOU Find The Missing Length? – Geometry Puzzle

From Math Queen. In this math video I (Susanne) explain how to solve a geometry problem step by step using triangle congruence and algebraic reasoning. We begin by carefully analyzing the diagram and identifying key geometric relationships. By proving that two triangles are congruent, we unlock equal side lengths. Using these congruence results, we then…

Calculating pi with a lunar rover (Moon Pi Update!)

From Standup Mathematician. Thanks to everyone who supported the Kickstarter – you can still purchase more patches but all name changes are now closed! Head on over to https://pi.space/ to check your status. Thanks to the great people at Astrobotic Technology. Find out more about Cuberover and the mission here: https://www.astrobotic.com/astrobotics-cuberover-is-flight-ready-for-lunar-mission/ Huge thanks to Colin…

Integration By Substitution Explained – Integral, Calculus

From Math Queen. In this calculus tutorial I (Susanne) explain how to solve a definite integral using u-substitution, including how to correctly handle the limits of integration. We solve the integral with the exponential function and transform it using substitution to make it simple and clean. Mathematics explained. 00:00 Intro – Solving integrals 1:09 When…

Coding a Guitar Sound in C – Computerphile

From Computerphile. Signal processing is just mathematics, so lets code a guitar sound in C. Dave Domminney Fowler continues the Digital Signal Processing conversation to show how your favourite tunes all rely on DSP. Find out more from Dave at @domminney Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities)…

The Viral Math Challenge You Need to Try

From Math Queen. In this math video I (Susanne) explain how to solve this math puzzle? In this challenging brain teaser, we explore a clever geometry problem that tests your logical thinking and problem-solving skills. It’s the perfect math challenge for anyone who loves riddles, critical thinking, and creative reasoning. This puzzle combines geometry, volume…

The magic of adding random noise to black and white images.

From Standup Mathematician. Applications for AMP are open until 11th March! https://jane-st.co/SUM-AMP-2026 The full puzzle is pasted below. Come and see me on tour – live and undithered! https://standupmaths.com/shows Check out JRH’s video about Return of the Obra Dinn’s pixel art: https://www.youtube.com/watch?v=_3qzyAHMoUU And this great demo by Visual Rambling: https://visualrambling.space/dithering-part-1/ Huge thanks to my Patreon…

Can You Decode This Hex Number? – Hexadecimal Explained

From Math Queen. In this math video I (Susanne) explain the hexadecimal system in a clear and easy way. You’ll learn how to convert hexadecimal numbers into decimal step by step and how to convert decimal numbers back into hexadecimal. With several examples, you’ll understand the method and be able to solve similar problems on…

Geometry Puzzle – Can You Find The Missing Length?

From Math Queen. In this math video I (Susanne) explain how to find the distance between two intersection points of two circles. We find the equations of the circles and solve a system of equations. A beautiful mix of coordinate geometry and algebra! Perfect for students who love circle equations, analytic geometry, and challenging math…

Cyclic Redundancy Check (CRC) – Computerphile

From Computerphile. A checksum that’s robust & trivial to compute with Matt Godbolt — Check out Brilliant’s courses and start for free at https://brilliant.org/computerphile/ (episode sponsor) — More links in full description below ↓↓↓ Computerphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://jane-st.co/computerphile This video was filmed and…

When maths marketing goes wrong.

From Standup Mathematician. Come see me on tour to get your mathematically dubious cereal boxes signed. https://standupmaths.com/shows You can also find me talking about other unreleased video topics at An Evening of Unnecessary Detail. https://festivalofthespokennerd.com/show/an-evening-of-unnecessary-detail/ Check out the full correspondence with Kellogg’s on Reddit: https://www.reddit.com/r/theydidthemath/s/rRbfNVF4aa And MindYourDecisions video looking at the surface area problem: https://youtu.be/0qT_h84o7JI?si=y3ALapozUGMM2kpJ…

Bad Bot Problem – Computerphile

From Computerphile. Following a report on the situation with Social Media and bots, Lewis Stuart of University of Nottingham is inspired to see just how easy it is to fire up his own botnet and puts them to work on a fake social media site: ‘scroll hole.’ Computerphile is supported by Jane Street. Learn more…

3867632931 × 10^10001 +1 – Numberphile

From Numberphile. Matt Parker explains there’s a new title-holder for the largest known reversible prime (or Emirp). Learn for free on Brilliant (and get 20% off a premium subscription) at https://brilliant.org/numberphile (episode sponsor) — More links & stuff in full description below ↓↓↓ Full interview with Stephan Schöler (who discovered the number) – https://youtu.be/Rd8moV7jVX0 Patrons…

Who wants to be a MILLIONAIRE? – Math question

From Math Queen. In this math video I (Susanne) explain how to solve the $32,000 question from Who wants to be a Millionaire. We calculate how many combinations there are, and then convert the seconds into hours to see how long it would take. Step by step, I explain the math behind the puzzle, making…