Author: Daniel Allen
Ukrainian 2014 ₴1 (Hryvnia)
1935 E $1 Silver Certificate
Time
Last time I talked about when I progressed the problem difficulty (I use the average answer-time over the last 20 problems). Today I’m going to talk about how I keep track of time and how I animate the timer. Continue reading Time
Progression
The progression of problem difficulty and when to unlock a new operation has been one of the hardest parts of the game design for me, but it’s also the most fundamental so I’m going to start my blog off with progression. Continue reading Progression
Exercise: Benefits
We’ve all heard that exercise is good for us and that it will help us live longer, healthier lives; but what does that mean? What happens if we don’t exercise and how does our body change when we do? Continue reading Exercise: Benefits
Mexico
The flag of Mexico is widely recognized for its unique design featuring the country’s coat of arms, the origin of which is over 500 years old. Symbolism The dominant visual element on the Mexican flag is the coat of arms featuring an eagle devouring a snake while perched on a cactus. This image is based on the Mexica myth of the founding of Tenochtitlan, known … Continue reading Mexico
Anki Spanish Weather Deck
Weather is a subject we can talk about with anyone so if we’re learning Spanish it helps to have some common words about it in our vocabulary. Let me know in the comments if I’ve missed any useful weather words or I’ve made a mistake. Continue reading Anki Spanish Weather Deck
Whimbrel
This was my favorite wading bird on my trip to Acapulco. The city was too crowded for us so we found an Airbnb south of the city where the beaches were mostly free of people. There’s something about their curved bills that make them more interesting than the other wading birds I saw. I liked watching them ebb and flow with the waves looking for snacks in the sand. Continue reading Whimbrel
Medieval and Renaissance Cryptography
Between the decline of the Roman Empire and the rise of Islam, few advances were made in cryptography. That changed during the early 9th century in the Abbasid Caliphate (modern day Iraq) when an Arab philosopher and polymath made an advance in cryptography that would set off a cryptographic arms race that continues to the present day. Continue reading Medieval and Renaissance Cryptography