SciShow
Crypto and NFTs Are Environmental Disasters...But Do They Have to Be?
The world of cryptocurrency and NFTs is riddled with controversy, but somewhere amid all of that blockchain there's some reckoning with reality that must be done.
SciShow
Weird Places Mexico's Giant Crystal Cave
SciShow explores a place that’s as beautiful as it is dangerous: Mexico’s Giant Crystal Cave, where chemistry has created the world’s largest crystals -- but in an environment so hostile that you’d only survive a few minutes if you saw...
3Blue1Brown
How secure is 256 bit security?
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
SciShow
Crypto and NFTs Are Environmental Disasters...But Do They Have to Be?
The world of cryptocurrency and NFTs is riddled with controversy, but somewhere amid all of that blockchain there's some reckoning with reality that must be done.
3Blue1Brown
How secure is 256 bit security? Cryptocurrency - Part 2 of 2
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
SciShow
Weird Places: Mexico's Giant Crystal Cave
SciShow explores a place that's as beautiful as it is dangerous: Mexico's Giant Crystal Cave, where chemistry has created the world's largest crystals -- but in an environment so hostile that you'd only survive a few minutes if you saw...
Curated Video
Earthly Treasures: Gold
Gold can be found in many forms and has been used as currency for centuries. But what properties does it have that make it so valuable? Earth Science - Geology - Learning Points. Gold occurs naturally in many distinct forms. Native gold...
Curated Video
Sapphires: A Fair Trade?
Discover the dangers faced by workers in Madagascar's illegal sapphire mines. And why inequalities in the global trade of the gems mean others profit most from the miners' work... Human Geography - A Changing World - Learning Points....
Bedtime History
California Gold Rush For Kids | Bedtime History
Learn more about the gold strike in California and the gold rush that followed. Learn about the prospectors ("49ers") who traveled to California from all over the world to try and strike it rich.
Wonderscape
The End of Gold Fever: Changing California
Discover how the California Gold Rush faded as the gold dried up and mining became industrialized. Learn about the rise of hydraulic mining, the environmental damage it caused, and the shift from dreams of riches to harsh labor. See how...
Wonderscape
The Gold Rush: Dreams, Disappointment, and Change
Follow the story of the California Gold Rush, from James Marshall's discovery to the mass migration of hopeful miners known as the Forty-Niners. Learn how the promise of quick riches drew people from around the world, transforming...
Wonderscape
Cobalt Supply Chain Challenges and the Push for Ethical Mining
Uncover the complex cobalt supply chain in the Democratic Republic of the Congo (DRC) and the global demand driving it. Learn about the role of major companies like Apple and Tesla, the challenges of tracing cobalt origins, and efforts...
Curated Video
Industrial Archaeology in Southwest England
A series of disused mines in South West England have recently been granted World Heritage status because of their pivotal role in the industrial revolution. The mining industry was one of the earliest beneficiaries of the scientific...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Smart Contract Oracles
In this video, you will learn about Smart Contract Oracles, which are third-party services that provide external data to smart contracts. You will understand the importance of Oracles in smart contract development, the challenges of...
Curated Video
Indian Reservations
Dr. Forrester talks about the history of the Indian reservations in the United States and what the reservations are like today.
Curated Video
Geronimo, Cochise, and Magnas Coloradas
Dr. Forrester discusses three famous Apache chiefs: Geronimo, Cochise, and Magnas Coloradas.
Schooling Online
Flying Through Film: Stephen Daldry, Billy Elliot - Theme of Politics
Politics is boring until you see how it can directly affect your life! This lesson explores the theme of Politics in Stephen Daldry’s film Billy Elliot. Discover the important ‘subplot’ of the UK miners’ strike of the 1980’s - a real...
Blockchain Central
Save Money on Transaction Fees! | Blockchain Central
This week on Blockchain Central: we'll explain the idea behind gas price ans gas limit - something that might seem to be confusing for a new Ethereum user. We will also see how can you decrease the price of your transactions using there...
Blockchain Central
What Is So Great About Smart Contracts? | Blockchain Central
This week on Blockchain Central: we will take a closer look at the main features of Ethereum and its game-changing feature - DApps. What makes it so powerful? Let's find out!
Blockchain Central
Save Money on Transaction Fees!
This week on Blockchain Central: we'll explain the idea behind gas price ans gas limit - something that might seem to be confusing for a new Ethereum user. We will also see how can you decrease the price of your transactions using there...
Blockchain Central
Can Bitcoin Harm the Environment? | Blockchain Central
This week on Blockchain Central: we're going to see if Bitcoin energy consumption has the potential to ruin our environment and significantly affect the energy sector.
Schooling Online
Flying Through Film: Stephen Daldry, Billy Elliot - Theme of Poverty and Social Class
Be inspired by a Northern English working-class lad who defies the odds! This lesson explores the theme of Poverty and Social Class in Stephen Daldry’s film Billy Elliot. Discover how Billy pursues his love of ballet despite his family’s...
Blockchain Central
Litecoin Mining Algorithm Failed To Be Accessible
This week on Blockchain Central: we will take a closer look at Litecoin and draw comparisons to Bitcoin. We will also analyse how the growing hash rate contradicts with the initial mission of Litecoin and makes it less accessible for the...
Schooling Online
Flying Through Film: Stephen Daldry, Billy Elliot - Context
It was tough times in Northern England in the 1980’s! Watch this video to learn about the historical context of Stephen Daldry’s acclaimed film Billy Elliot (2000). We explain the history of the UK miners’ strike of 1984-1985 and how it...