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Practical Engineering explains pumped storage hydropower, which makes up most grid-scale electricity storage. It covers how it works and why it fits only certain geographies.

An LGR Oddware episode looking at Sony's MDH-10 MD Data drive from 1995, which used MiniDisc for computer storage years before Hi-MD. The host tries out the drive with its original drivers and software.

Samy Kamkar demonstrates OpenSesame, a device that opens many fixed-code garage doors in seconds by exploiting a newly found attack, built around a Mattel toy. The video explains the attack and which brands are affected.

Bill Hammack of Engineer Guy explains the engineering behind the aluminum beverage can: why it is cylindrical, how it is manufactured, why it narrows at the top, the double seam, and how the pull tab works.

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.

A satirical 'Honest Government Ad' from The Juice Media that mocks Australian carbon capture and storage policy. It lays out the fossil fuel industry's influence and the weak results of the technology in a comedic format.

Chinese Cooking Demystified shows an ordinary, everyday Chinese wet market to counter sensationalized coverage during the early pandemic, with a pinned comment adding nuance.

An RSA Animate adaptation of a Slavoj Zizek talk on charitable giving and ethical consumerism. It argues that buying products that bundle a charity donation can sustain the system that causes the problems.

Jay Leno drives the Tesla Cybertruck with Elon Musk, who talks about the design, including the stainless steel body and bulletproof doors, and Leno demos the roll-up bed cover.

A critique of the HD remaster of Buffy the Vampire Slayer, walking through cropping, color and effects problems that damaged the original look. It also advises which versions to buy.

Real Engineering looks at the numbers for running California on renewables, focusing on the large energy storage needed. It argues about the cost of batteries and the role of other sources.

MIT professor Donald Sadoway argues that grid-scale storage is the missing piece for renewable energy. He sketches at the blackboard how large, cheap liquid-metal batteries could store wind and solar power.

Quint BUILDs tests a rooftop water storage setup in which solar power pumps water up to the roof and a turbine generates power later. He works through the numbers to show how much energy it actually stores.

Tom Scott visits Dinorwig Power Station in Wales, a pumped-storage hydro plant often called Britain's largest battery. He explains how it works and how its role has shifted from TV pickup spikes to balancing wind and solar.

A short IBM behind-the-scenes documentary on how researchers moved individual atoms to make the world's smallest movie. It introduces the scientists and their work on atomic memory and data storage.

Real Engineering examines the efficiency of hydrogen as an energy carrier. It follows production, storage and fuel cell conversion losses and compares hydrogen cars with battery electric vehicles.

CGP Grey explains how ideas spread like germs, and why content that triggers outrage spreads fastest, using a study on what makes online content viral. He argues that opposing outrage-driven memes feed each other.

Afrotechmods plays with 2600F ultracapacitors that can dump hundreds of amps, shorting them to vaporize bits of metal. Along the way he explains the three most important capacitor equations. The uploader warns that the capacitors are not designed to be shorted.

Kyle Hill explains what nuclear waste actually is and how it is stored, arguing that the problem was effectively solved decades ago. It covers solid shielded waste and deep geological storage.

Linus Tech Tips backs up their petabyte server to Google's unlimited G Suite Drive plan and runs into the daily upload cap. It shows how far the 'unlimited' offer can be pushed.

Engineering Explained examines Toyota's hydrogen-burning V8 engine built with Yamaha and explains the practical problems of hydrogen combustion vehicles. It covers efficiency, storage and distribution issues.

David MacKay's TEDxWarwick talk uses basic arithmetic to show how much land and energy renewables would need to power a country like the UK. It explains the limits of sustainable options and why they should still be pursued.

Tony Seba of RethinkX presents the case that solar, wind and batteries are on a cost-decline path that makes a fully renewable grid achievable. It was made for the Global 100% RE Strategy Group's joint declaration.

Andreas Antonopoulos answers a Bitcoin Q&A question about energy consumption in mining. He argues that mining is arbitrage for the cheapest electricity, drives investment in renewables, and that the traditional financial system has hidden externalities.

A Fully Charged episode on Ubitricity, a German company that turns ordinary street lamp posts into roughly 5 kW overnight EV charge points, with a locking cable and managed billing.

A Samsung-backed viral demo that builds a fast computer from 24 256GB MLC SSDs in a RAID 0 array and shows the throughput results.

A five-minute excerpt of Rich Hickey's Clojure Made Simple talk, with new slides, ranting about HttpServletRequest and specificity. He argues for using generic maps instead of many specific classes and getters.

Practical Engineering explains why connecting solar and other inverter-based generation to the grid is hard. It covers grid stability, load balancing and the behind-the-scenes engineering challenges of renewables.

Engineering Explained works through whether electric cars are really worse for the environment than gasoline cars. It covers battery production emissions, the electricity mix used to charge, and how long an EV takes to break even on lifetime emissions.

The author of copyparty introduces the FOSS file server he has built over five years, demoing its features such as resumable uploads, WebDAV and deduplication. The video itself is shown running on a demo server.

Real Engineering looks at why Africa's abundant solar potential is hard to turn into usable power, especially for Europe. It covers the transmission, infrastructure and economic obstacles, and the pivot from concentrated solar to photovoltaics.

Real Engineering analyzes whether electric planes are feasible, focusing on battery energy density limits compared with jet fuel. It concludes electric flight works mainly for short ranges.

Michael Shellenberger argues in a TEDx talk that solar and wind need huge amounts of land and mining, and says nuclear power is a better path to protecting both the climate and nature.

A 20-minute S3 episode touring Terraform Industries, a startup making synthetic natural gas from air and solar power. It walks through the reactor, injection system, direct air capture and electrolyzer, plus the company's cost goals and next milestone.

A hobbyist compares vertical bifacial solar panels against south-facing angled panels using winter production results. It tests whether the usual mounting approach is actually best.

Avi Bryant demos Dabble DB, a web-based spreadsheet-like database for building apps without code. It shows how users can model and relate data through a smooth interface.

RethinkX summarizes its report arguing that mainstream LCOE estimates are inflating a bubble in coal, gas, nuclear and hydro assets. It claims solar, wind and batteries will strand conventional energy investments.

A short product demo of Dabble DB, a web tool for importing, entering and manipulating structured data with little effort. It was built in Smalltalk and later acquired by Twitter.

Big Clive shows how to pick up discarded disposable vape devices from the roadside and extract the rechargeable lithium cells inside. He explains why these devices contain the same circuitry as rechargeable ones and how to reuse the cells.

Engineering Explained uses physics to show why today's electric cars, including Teslas, are poor at towing, pointing to battery energy density and weight. It examines Cybertruck and F-150 towing claims.