silk road
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.
4:12Why this British crossroads was so dangerous
3.9M views • 6 years ago
Tom Scott
Tom Scott explains why Ipley Cross in England's New Forest was one of Britain's most dangerous junctions. The angled crossroads lets a car's A-pillar hide approaching traffic and cyclists because there is no relative motion in the driver's view.
32:01EEVblog #632 - Solar Roadways Are RUBBISH!
543K views • 12 years ago
EEVblog
Dave Jones of EEVblog debunks the Solar Roadways project, which raised millions through Indiegogo and government funding. He works through the solar generation and LED power calculations to show the idea isn't viable.
11:09The Wrong Way to Set Speed Limits [ST06]
2.1M views • 5 years ago
Not Just Bikes
Not Just Bikes explains how North American speed limits are set and why posted limits matter far less than street design. It argues that drivers follow the road's cues, so safe speeds have to be built into the street.
27:25How American Fire Departments are Getting People Killed
2M views • 2 years ago
Not Just Bikes
Not Just Bikes argues that oversized American fire trucks and fire department requirements push cities toward wide roads and dangerous street design. He compares this with the Dutch approach to emergency response.
15:53Why Railroads Don't Need Expansion Joints
5.3M views • 2 years ago
Practical Engineering
Practical Engineering explains how continuous welded rail copes with thermal expansion by restraining it, using the relationship between temperature, stress and strain. The video is part of a series on railways.
5:12Traffic Calming is Everywhere in the Netherlands
404K views • 6 years ago
Not Just Bikes
Not Just Bikes shows how traffic calming is built into streets across the Netherlands, from city centres to villages. Street design naturally slows cars and makes roads safer.
1:19:08A Million Dollars vs A Billion Dollars, Visualized: A Road Trip
8.3M views • 6 years ago
Tom Scott
Tom Scott makes the difference between a million and a billion dollars tangible by using distance on a road trip instead of volume. The drive makes the scale of a billion intuitively felt.
31:25Crossing the Street Shouldn't Be Deadly (but it is)
1.9M views • 4 years ago
Not Just Bikes
Not Just Bikes explains why crossing streets is dangerous in the US and Canada, where roads are designed to move cars fast, and contrasts it with Dutch designs for pedestrians.
26:29Watch electricity hit a fork in the road at half a billion frames per second
3M views • 2 years ago
AlphaPhoenix
AlphaPhoenix uses a custom high-speed measurement setup to watch voltage waves travel down wires and split at a fork. It answers how electricity knows where to go and how quickly that process happens.
6:17Why Cars Rarely Crash into Buildings in the Netherlands
1M views • 6 years ago
Not Just Bikes
Not Just Bikes explains why cars rarely crash into buildings in the Netherlands, attributing it to street design that forgives mistakes and to systematic crash investigation. It contrasts this with North American acceptance of such crashes.
22:522016/2017 MUST-KNOW WEB DEVELOPMENT TECH - Watch this if you want to be a web developer
916K views • 10 years ago
LearnCode.academy
LearnCode.academy presents a roadmap of web development technologies to learn in 2016 and 2017, spanning front-end, back-end and DevOps tools.
14:54Induced Demand & Roadway Widening: Everything You Always Wanted to Know (and Weren't Afraid to Ask)
120K views • 4 years ago
Ray Delahanty | CityNerd
CityNerd Ray Delahanty explains induced demand and what happens when freeways are widened. He walks through the economics of supply and demand applied to traffic and asks how much new traffic appears and whether congestion returns.
5:21The Best Kind of Dutch Cycling Infrastructure
355K views • 6 years ago
Not Just Bikes
Not Just Bikes explains Dutch bicycle-only roads, which let people travel long distances in and out of cities with almost no car interaction. It shows how this changes cycling from a chore into something enjoyable.
29:57The tech which can charge an electric car in 10 minutes
1.3M views • 4 years ago
Technology Connections
Technology Connections explains how modern EV fast charging can fill a battery in about 10 to 20 minutes, covering charging standards and EV road trips.
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.
8:21The Grille Trend that Kills 509 People per Year
1.3M views • 2 years ago
FortNine
FortNine looks at the data on why newer pickup trucks with tall, blunt grilles kill so many pedestrians, cyclists and motorcyclists. It argues that lowering hood height would substantially cut fatalities.
8:05What People Get Wrong About Induced Demand
291K views • 5 years ago
Oh The Urbanity!
Explains induced demand beyond roads, showing that it applies to transit, walking and cycling infrastructure too but with different consequences. It corrects common misunderstandings of the concept.
6:03Do Your Buses Get Stuck in Traffic? (The Downs-Thomson Paradox)
693K views • 6 years ago
Not Just Bikes
Not Just Bikes explains the Downs-Thomson paradox using Amsterdam and Toronto: road widening doesn't fix congestion, and buses stuck in traffic make transit slow. It argues for giving transit its own priority infrastructure.
3:45The Dutch Solution for Safer Sidewalks - Continuous Sidewalks
452K views • 6 years ago
Not Just Bikes
A short Not Just Bikes video on continuous sidewalks in the Netherlands, where the sidewalk runs unbroken across side streets so cars must visibly cross pedestrian space. It places them within Dutch sustainable safety and Vision Zero efforts.
8:41Invisibility Training for Motorcyclists
1.8M views • 8 years ago
FortNine
FortNine's tongue-in-cheek guide to why drivers fail to see motorcyclists and how riders can make themselves more visible. It touches on perception psychology, including the role of saccades.
5:10Junction design in the Netherlands
630K views • 12 years ago
BicycleDutch
A five-minute BicycleDutch episode showing how Dutch junctions are designed so cyclists and pedestrians can cross safely. It explains the layout choices that separate and protect them.
16:47Lines of Light: How Analog Television Works
1.5M views • 9 years ago
Technology Connections
Technology Connections explains how analog television produced moving images without computers, covering scanning, CRTs and standards like NTSC and PAL. It is part of a series on analog TV.
12:16LCCS: The LCD / CRT Hybrid from JVC
2.3M views • 7 years ago
Technology Connections
A Technology Connections video on JVC's LCCS, a display hybrid that cycles a color LCD shutter over a monochrome CRT to produce field-sequential color without dots or stripes. It builds on his earlier videos about analog TV and compatible color.
12:05Why Traffic Congestion Grows Exponentially, Why It Matters, and What To Do About It // An Explainer
100K views • 4 years ago
Ray Delahanty | CityNerd
CityNerd explains why traffic congestion grows nonlinearly as more cars use a road network, and why adding road capacity tends not to fix it. It covers the consequences for drivers, bus riders, cyclists and pedestrians, and discusses alternatives such as true bus rapid transit.
42:29YouTube's copyright system isn't broken. The world's is.
9M views • 6 years ago
Tom Scott
Tom Scott's long explainer on YouTube's copyright system, Content ID and the DMCA. He argues the platform's system is a workaround for a broader copyright system that does not fit the modern world.
34:00Math's Fundamental Flaw
30.8M views • 5 years ago
Veritasium
Veritasium's explainer on Godel's incompleteness theorems and the limits of mathematical proof, tracing set theory, Hilbert's program and the road to Turing and modern computing.
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.
10:36Renting vs. Buying a Home: The 5% Rule
5.3M views • 7 years ago
Ben Felix
Ben Felix explains how to compare renting and buying a home by looking at unrecoverable costs, and distills it into the 5% rule of thumb. It is framed for a Canadian audience but broadly applicable.
23:01Safe Cycling Showdown - Good vs. Bad City Design - Plus 1 Minus 2
1.1M views • 5 years ago
Not Just Bikes
Not Just Bikes compares the same cycling trip to a hardware store in Calgary and in Amsterdam, using a 'plus 1 minus 2' format. It shows how street design shapes how safe and practical cycling is.
17:52Holy Post - Race in America
1.7M views • 6 years ago
Holy Post Media
Phil Vischer of VeggieTales and Holy Post gives an 18-minute history of racial injustice in America, covering why anger persists despite civil rights laws. It is told from an evangelical Christian perspective and adapted from a class he co-taught.
18:24The Uncanny Valley Is Wrong
236K views • 6 years ago
This Place
This Place argues that the uncanny valley is a flawed concept, since 'human likeness' is too broad and the supporting evidence is cherry-picked. It proposes that the creepiness really comes from how animated characters and robots move.
13:14How Analog Color TV Works: The Beginnings
503K views • 8 years ago
Technology Connections
Technology Connections explains the early history of analog color television, from the 1954 start of modern color broadcasting, and how shadow masks work in CRTs. It is the first in a series on how analog color TV works.
17:43A man asked AI for health advice and it cooked every brain cell
4.5M views • 11 months ago
Chubbyemu
Chubbyemu presents a case study of a man who followed AI health advice, replaced salt with sodium bromide and developed bromism with severe neurological effects. It is told as a dramatized medical case by a doctor.
10:20STOP Buying ANDROID TV Boxes!
4.6M views • 3 years ago
Linus Tech Tips
Linus Tech Tips warns against cheap Android TV boxes, many of which ship with preinstalled malware. It looks at several boxes and suggests safer alternatives such as Chromecast and Nvidia Shield.
21:48Lessons from a Can Opener
3M views • 4 years ago
Technology Connections
Technology Connections spends 22 minutes on the humble can opener and what its design shows about products and why people don't know what to look for. It uses an everyday tool to draw broader lessons.
5:50The city of golf carts
1.8M views • 7 years ago
Tom Scott
Tom Scott visits Peachtree City, Georgia, which has about a hundred miles of dedicated golf cart paths that serve as an alternative to driving. He explains how the network works as a quasi-transit system that keeps cars off the roads.
13:00How to (Quickly) Build a Cycling City - Paris
1.4M views • 4 years ago
Not Just Bikes
Not Just Bikes visits Paris to see how Mayor Anne Hidalgo's policies are turning it into a '100% cyclable' city. It looks at the changes that took space from cars for bikes and people.
4:30The highway where trucks work like electric trains
5.3M views • 5 years ago
Tom Scott
Tom Scott visits an eHighway test in Lubeck, Germany, where electric trucks with pantographs draw power from overhead wires. He explains how this could electrify road freight.