Посоветую вам YouTube-канал Stuff Made Here (в свете событий можно скачать все ролики с него и потом ностальгировать по ютубу вечерами).
Пожалуй, это самый крутой инженерный видеоблог, который я встречал. У автора целый подвал роботизированных станков за миллионы баксов (просто несбыточная мечта гика). И он с их помощью городит электронно-механические конструкции, которые совмещают в себе сложное программирование и вполне очевидную практическую цель, как правило недостижимую или труднодостижимую без длительных тренировок. Вот я прикладываю видео, где он делает бильярдный стол и роботизированный кий, который позволяет не промахиваться.
Продемонстрированы все стадии разработки: неудачные прототипы, подбор алгоритма, проверка гипотез. При этом подано всё в довольно понятном и динамичном стиле. с хорошим юмором. Ролик длиной 20-30 минут обычно содержит недели и месяцы разработки.
Короче, очень круто. Если что-то и смотреть на ютубе напоследок, то вот примерно такого уровня контент, имхо.
#dev#gadgets
https://www.youtube.com/watch?v=vsTTXYxydOE
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🙊 “On.. went.. on..” – we are learning to distinguish swear words from terms from the crypto world!
Cryptocurrencies are an unusual and challenging market. Over the years, Cryptans have invented many words to describe what is happening around them. And we have compiled a dictionary of the most important of them for you:
➖#Wallets are a key vault for different cryptocurrencies. There is no crypt on the wallet itself, it is located in the blockchain and is assigned to your addresses. Wallets can be "cold" and "hot".
➖#DeFi – decentralized finance. Such crypto projects do not have a specific “manager” or “supervisor”. Interactions between users are managed by smart contracts.
➖#Smart contract - algorithms in the blockchain that control user actions and execute commands and conditions embedded in them.
➖#Proof-of-Work (POW, proof of work) is an algorithm for confirming transactions in the blockchain (achieving consensus) using the computing power of its participants (mining)
➖#Proof-of-Stake (POS, proof of stake) – all transactions in the blockchain are confirmed using cryptocurrency in the wallets of participants
➖#Staking – placement of POS-blockchain tokens in a wallet for a reward. The POS system needs coins to function. A more convenient and effective form is liquid staking.
➖#Gas – payment for transactions on the blockchain. When the activity on the network increases, so does the gas charge.
➖#Fork – updating/changing the blockchain: its technologies and rules
➖#Mixers are platforms that mix tokens of different users, hiding the history of transactions and previous owners.
➖#Bridges (cryptomostes, cross-chain bridges) is a service for transferring crypts from one blockchain to another. Without them, different blockchains and crypto projects cannot communicate with each other.
➖#NFT is a unique digital certificate confirming the ownership of a digital object: anything, but most often a song, a picture, an object from a game.
➖#Stablecoins are coins backed by reliable real assets (dollars, government bonds), and therefore stable in price: 1 to 1 with the dollar.
➖#Memcoins are often coins created “for fun". They are popular among speculators, but some coins “grow up” and try to create full-fledged projects.
➖#Profitability farming is earning money by providing your tokens for trading to other users in liquidity pools on a decentralized crypto exchange.
➖#Airdrop – free distribution of crypto project coins for user activity: try out the project, tell about it on social networks