The New MIT Museum
Some impressions from the new MIT museum. We had actually hoped to do the high-speed, multiple exposure imaging of water droplets and balloon popping to investigate fluid dynamics — something … Continue reading The New MIT Museum
Category: Electronics
How much information = How many yes/no questions
Simon and dad were having a discussion about how difficult it is to solve a 3×3 blindfolded and whether that requires a different set of skills than simply solving a … Continue reading How much information = How many yes/no questions
Predictions and Plans
Late December is always a great time to dream about the future. How fast will the internet become? What will be the actual speed our future data will travel? Below … Continue reading Predictions and Plans
NAND to Tetris with hardware: Problem Solving
Reading on in the From NAND to Tetris textbook. I realized I have a problem. One RAM chip only has one address but will have to be connected to three … Continue reading NAND to Tetris with hardware: Problem Solving
Further plans about the NAND to Tetris project
One thing I don’t like about From NAND to Tetris is that they don’t explain sequential logic, like at all. They basically say: “Here’s a D flip-flop, don’t worry about … Continue reading Further plans about the NAND to Tetris project
From NAND to Tetris
Last week, Simon found this awesome free computer engineering course and textbook, and dove right in. The course teaches how to create: A basic computer A higher-level language A mini … Continue reading From NAND to Tetris
Logic Gates. Simon has programmed his own Digital Logic Simulator.
Simon has been greatly inspired by Sebastian Lague’s new video on how computers work, it seems to have sparked a whole new wave of enthusiasm about logic gates and logic … Continue reading Logic Gates. Simon has programmed his own Digital Logic Simulator.
Secure Hash Algorithms
Simon is mesmerized with cryptographic hash functions. He is following the Cryptocurrency course on Brilliant.org and learning about secure hash algorithms at a whole new level now. SHA–2 (Secure Hash Algorithm 2) … Continue reading Secure Hash Algorithms
Simon continues practicing Digital Computer Electronics
Reading the Digital Computer Electronics eBook (third edition):
Discussing the news: dangers of shorting your mobile
Today we have heard about a new accident involving a teenager electrocuted by her mobile phone. Luckily, this time it was not a lethal case, but a quick search on … Continue reading Discussing the news: dangers of shorting your mobile
More Engineering. RAM Ready in the simulated 8-bit computer project in Circuitverse.
In October and early November, Simon was busy with another attempt to simulate SAP-1 (simple as possible processor, an 8-bit computer) in Circuitverse (something that he hadn’t managed to complete … Continue reading More Engineering. RAM Ready in the simulated 8-bit computer project in Circuitverse.
Vanishing Letters
Simon’s way to celebrate Helloween: a little demo about how red marker reflects red LED light and becomes invisible. A nice trick in the dark! We also had so much … Continue reading Vanishing Letters
Geeks out of the box 