v_shevchenko

Amateur radio, electronics, stm32 C embedded, KI7BHK

[Washington State DOT @wsdot]

WELCOME TO WASHINGTON, SOCCER FANS. Get acquainted with our state via this highly accurate and mostly-to-scale map.

[Tommi @tommithetechie]

This little guy is the Kenbak-1 personal computer. Released in 1971 by John Blankenbaker of Kenbak Corporation, it is widely considered by historians and institutions like the Computer History Museum to be the first personal computer. Built before microprocessors were available, it used 7400-series TTL logic chips instead of a one-chip CPU.

Fun Fact: The name "Kenbak" is simply a clever substring of its inventor's last name, John Blankenbaker! He felt his full surname was a bit too long to be catchy and marketable, so he got a little creative.

https://t.co/iEtNCQMUqe
https://t.co/de41h1xJV4
https://t.co/NsIhOp8549

#RetroTech #RetroComputing #ComputerHistory

[v_shevchenko @vik_shev]

@EchoesofWarYT Stylish dude :)

[Computer ♥ Records @ComputerLove_]

Classic Roland (1978 Catalog)

[Obsolete Sony @ObsoleteSony]

Sony really said your stereo should look like mission control

[v_shevchenko @vik_shev]

@BoscoMac Amazing! Which satellites are working on 23 and 13 cm bands?

[Tyler Plummer @Tyler_Plummer]

Next level

[Kyronis @kyronis_talks]

A community college professor named Marty Lobdell taught the same study skills lecture for 30 years. The video quietly became one of the most watched educational recordings online, with over 10 million views.

He spent his career watching students fail not because they were lazy, but because no one had taught them how their brain actually works when learning something difficult.

The lecture, “Study Less Study Smart,” contains a powerful framework.

Your brain cannot sustain focus the way most people believe. Studies show the average learner hits a wall between 25 and 30 minutes. After that, efficiency collapses. You’re still sitting there, but almost nothing is being absorbed.

Lobdell told the story of a student who planned to study 6 hours a night, 5 nights a week. Thirty hours total. She failed every class. She was not lacking effort. She was confusing time near books with actual learning. The fix is simple: when focus drops, stop, take a 5 minute rewarding break, then return. That reset makes a massive difference.
He also destroyed the myth of highlighting and re reading. Recognition is not the same as recall. To prove it, he read 13 random letters. Almost no one remembered them. Then he turned them into “Happy Thursday.” The entire room recalled them instantly. The brain stores meaning, not repetition.

This is why elaborative encoding works so well.

Finally, he shared the most important principle: 80 percent of study time should be active recitation. Close the book and explain the material in your own words. Teach it to someone else or an empty chair. Retrieval is where real learning happens.

His closing line stuck with me: If this information does not change your
behaviour, you have not actually learned it.

The best students do not study more hours. They stop confusing the feeling of studying with the reality of learning.

[老季 @XiaoJi0403]

猪其实是特别特别特别特别爱干净的动物，他们只是被关在猪圈没有条件天天洗澡

[Merriam-Webster @MerriamWebster]

'Angry' might be a bit too far, but probably 'ough.'

rough
cough
drought
though
thought
through

[Math Files @Math_files]

Teaching her binary

[Daniel Vassallo @dvassallo]

My office when I worked at Amazon:

[Things From the Past @pastarchive]

Baby car seat in the 1950s.

[Ramin Nasibov @RaminNasibov]

Piramisu

[無料配布「トラ技ジュニア」は未来のエンジニアを応援しています！ @toragiJr]

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