sql standard
3:34Making an international standard cup of tea
2.7M views • 8 years ago
Tom Scott
Tom Scott follows the ISO 3103 / BS 6008 standard to make an international standard cup of tea, using specialist tasting equipment. The video shows how precisely the standard is specified.
16:43The Equation That Explains (Nearly) Everything!
1.6M views • 4 years ago
PBS Space Time
PBS Space Time explains the Standard Model Lagrangian, the single equation encapsulating the particle physics theory, and visualizes what its terms mean.
1:08:15Gas stoves aren't really that fast - even standard electric is faster!
827K views • 3 years ago
Technology Connextras
Technology Connections tests how quickly gas, induction and standard electric stoves boil water, with CO2 measurements and a discussion of the advantages and disadvantages of each.
18:32The world depends on a collection of strange items. They're not cheap
12.6M views • 3 years ago
Veritasium
Veritasium visits NIST to explain Standard Reference Materials, the carefully characterized items such as peanut butter used to calibrate instruments and keep measurements consistent. It covers why they exist and why they are expensive.
25:21Old car headlights were all the same — which was a fairly bright idea
2.5M views • 4 years ago
Technology Connections
Technology Connections explains why American cars all had the same standardized sealed-beam headlights until 1957. It covers the regulations behind the design and the effect on night visibility.
15:53Quantum Field Theory visualized
2.7M views • 6 years ago
ScienceClic English
ScienceClic gives a 15-minute animated introduction to quantum field theory, covering fields, spin, conserved quantities, the standard model and interactions.
10:00How A London Orchestra Broke International Law
270K views • 7 years ago
12tone
12tone tells the story of pitch inflation and how concert A came to be standardized at 440 Hz, including attempts at legal standards. It is a short music history explainer.
35:07These Stupid Trucks are Literally Killing Us
7.3M views • 3 years ago
Not Just Bikes
Not Just Bikes explains how SUVs and light trucks have grown in size and share of US sales, and why that is dangerous for pedestrians, cyclists and city life. He covers the regulatory loopholes, such as fuel economy rules and the chicken tax, that favored them.
18:04How the Higgs Mechanism Give Things Mass
1.9M views • 4 years ago
PBS Space Time
A PBS Space Time episode on how the Higgs mechanism gives particles mass, prompted by Fermilab's heavier-than-expected W boson measurement. It goes beyond the usual pop-science treatment without heavy math.
18:13Try to Rule Fairly and You'll Be Overthrown
26M views • 10 years ago
CGP Grey
CGP Grey's animated adaptation of The Dictator's Handbook, explaining how rulers stay in power by keeping a small group of key supporters happy rather than ruling fairly. It lays out selectorate theory and how resources shape regimes.
18:40But what is a neural network? | Deep learning chapter 1
25.1M views • 9 years ago
3Blue1Brown
3Blue1Brown's first chapter on deep learning explains what neurons and layers are and the math underlying a basic neural network, using handwritten digit recognition with visual animations.
23:53D/A and A/D | Digital Show and Tell (Monty Montgomery @ xiph.org)
647K views • 13 years ago
FL Studio
Monty Montgomery of Xiph.org gives real-time demonstrations of sampling, quantization, bit depth and dither using real audio equipment, including both digital analysis tools and vintage analog bench gear. It shows that sampled audio is not stair-stepped and corrects common misconceptions about digital audio.
18:14Stroads are Ugly, Expensive, and Dangerous (and they're everywhere) [ST05]
8.3M views • 5 years ago
Not Just Bikes
Not Just Bikes introduces the "stroad", a street-road hybrid common in the US and Canada that fails at both jobs. He contrasts it with Dutch design, where each road has a single purpose, and covers cost, danger and ugliness.
10:48RSA ANIMATE: Drive: The surprising truth about what motivates us
20.2M views • 16 years ago
Royal Society of Arts
An RSA Animate whiteboard adaptation of Dan Pink's talk on what motivates people at work. It argues that beyond simple tasks, autonomy, mastery and purpose drive performance more than money.
6:30How the Dutch got their cycle paths
1.2M views • 15 years ago
BicycleDutch
A short BicycleDutch video on how the Netherlands got its cycling infrastructure, including the 1970s protests and the shift away from car-centric planning. The channel later published an updated version.
5:15The UK Is a Country Made of Countries
25.1M views • 15 years ago
CGP Grey
CGP Grey's quick, witty explainer on the differences between the United Kingdom, Great Britain and England, and the countries that make up the UK.
12:50How close is nuclear fusion power?
764K views • 5 years ago
Sabine Hossenfelder
Sabine Hossenfelder explains how close nuclear fusion really is to break-even, and why headlines about ITER and lab milestones are misleading. She distinguishes plasma gain (Q plasma) from whole-system gain (Q total) and shows the latter is still far below one.
19:05Why No One Has Measured The Speed Of Light
24.3M views • 6 years ago
Veritasium
Veritasium explains why the one-way speed of light has never been measured, only the round-trip speed, since measuring it requires synchronized clocks that assume the answer. It explores the implications for relativity.
21:36Fractals are typically not self-similar
4.6M views • 9 years ago
3Blue1Brown
3Blue1Brown explains fractal dimension and shows why many fractals are not strictly self-similar. Self-similarity turns out to be a special case of the broader idea of fractional dimension.
12:14Why We Won't Raise Our Kids in Suburbia
5.2M views • 4 years ago
Not Just Bikes
Not Just Bikes argues that car-dependent suburbs rob children of independence, contrasting North American suburbia with Dutch cities where kids walk and bike on their own. It is the creator's remake of an earlier video on the topic.
13:03Intelligence and Stupidity: The Orthogonality Thesis
710K views • 8 years ago
Robert Miles AI Safety
Robert Miles explains the orthogonality thesis: how an agent can be highly intelligent while pursuing goals that seem stupid or alien to humans. He separates intelligence from goals and touches on the stamp-collector example.
14:27The Biggest Myth In Education
15.5M views • 5 years ago
Veritasium
Veritasium debunks the idea of learning styles, such as being a visual learner, with an interview with Daniel Willingham and a memory experiment. It argues that a multimodal approach helps everyone.
9:37Characters, Symbols and the Unicode Miracle - Computerphile
2.1M views • 13 years ago
Computerphile
Tom Scott explains for Computerphile how Unicode and UTF-8 grew out of messy older character encodings to become the web's standard. It covers why the design works and how it handles worldwide text.
7:35End of Space – Creating a Prison for Humanity
14.6M views • 7 years ago
Kurzgesagt – In a Nutshell
Kurzgesagt explains how accumulating space junk could trigger a collision cascade (Kessler syndrome) that makes launches too dangerous and traps humanity on Earth.
8:10The Houses that Can't be Built in America - The Missing Middle
2.9M views • 5 years ago
Not Just Bikes
Not Just Bikes explains missing middle housing, such as duplexes, townhouses and small apartment buildings. The video argues that zoning in the US and Canada has made these options almost illegal.
3:35How our voting system (and IRV) betrays your favourite candidate
35K views • 12 years ago
The Center for Election Science
The Center for Election Science explains favorite betrayal in instant-runoff voting: in some elections, ranking your favorite first can cause your least favorite to win. It contrasts this with plurality voting's spoiler problem.
13:00The Dumbest Excuse for Bad Cities
3.1M views • 3 years ago
Not Just Bikes
Not Just Bikes takes on the common excuse that a country is simply too big or spread out for good transit and walkable cities. The video argues that city density and short everyday trips matter, not national size or overall population density.
14:06Testing 432 Hz Frequencies (and temperaments)
4M views • 7 years ago
Adam Neely
Adam Neely tests the claims for tuning to A=432 Hz by trying the unusual tuning systems that its proponents' numerology requires. He compares how they sound against standard tuning and temperaments.
12:23Xanadu Basics 1a - VISIBLE CONNECTION
20K views • 8 years ago
TheTedNelson
Ted Nelson explains the original Xanadu hypertext idea of visible connection, the notion that links between documents should be shown and preserved. He argues that the Web and current document standards lost this concept.
16:26Why Adults Can't Develop Perfect Pitch
1.8M views • 9 years ago
Rick Beato
Rick Beato argues that adults cannot develop true perfect pitch, which he ties to critical-period brain plasticity and language acquisition. He says it can only be developed in young children, and discusses the research behind this.
11:57How an Average Family in Tokyo Can Buy a New Home
4.2M views • 9 years ago
Life Where I'm From
A mini-documentary by a Canadian living in Japan explaining how an average family can afford a new detached house in Tokyo. It covers how houses are treated as depreciating assets and how Japanese zoning and building practices keep prices low.
12:00Do we have to accept Quantum weirdness? De Broglie Bohm Pilot Wave Theory explained
125K views • 9 years ago
Looking Glass Universe
Looking Glass Universe explains de Broglie-Bohm pilot wave theory (Bohmian mechanics) as an alternative to the standard interpretation of quantum mechanics. The video lays out the pros and cons of the theory and links to related videos on contextuality and entanglement.
7:50ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
9.8M views • 12 years ago
Numberphile
A Numberphile video in which physicists Tony Padilla and Ed Copeland show a seemingly astounding result that 1+2+3+4+... equals -1/12. The argument is informal and has drawn criticism for glossing over what the result actually means.
20:00AI "Stop Button" Problem - Computerphile
1.4M views • 9 years ago
Computerphile
Rob Miles explains on Computerphile why implementing an off switch for a general AI is hard. A capable agent would resist being stopped because shutdown prevents it from achieving its goal.
23:47I Think Faster Than Light Travel is Possible. Here's Why.
3.8M views • 3 years ago
Sabine Hossenfelder
Sabine Hossenfelder explains why she thinks faster-than-light travel may not be ruled out. She argues that the standard objections from special relativity are inconclusive.
32:51Thermoelectric cooling: it's not great.
6.4M views • 2 years ago
Technology Connections
Technology Connections explains in 33 minutes why thermoelectric (Peltier) cooling is far less efficient than compressor-based refrigeration.
2:58Why Britain Uses Separate Hot and Cold Taps
6.8M views • 12 years ago
Tom Scott
Tom Scott explains why Britain historically has separate hot and cold taps rather than mixer taps, tracing it to how water was stored in tanks. He notes why the hot tap is not safe to drink from.
20:09Why Everywhere in the US is Starting to Look the Same
4M views • 4 years ago
Wendover Productions
Wendover Productions explains why American towns, retail and buildings increasingly look alike, covering zoning pressures, corporate standardization and cheap construction types like 5-over-1 buildings.
10:35Why the Dutch Wait Less at Traffic Lights
1.2M views • 6 years ago
Not Just Bikes
Not Just Bikes explains how Dutch traffic lights use early detection, transit priority and conflict-free design to cut waiting. The aim is to move as many people as possible rather than as many cars.
3:36Hold music used to sound better. Here's why.
2.9M views • 8 years ago
Tom Scott
Tom Scott explains why hold music sounds worse than it used to, tracing it to old telephone exchanges and the audio compression applied by modern switches. It is a short visit to the Milton Keynes Museum.