posts
2025
Listen Through Walls
·144 words·1 min
Posts
YT
laser
infrared
spying
Built a laser mic for spying.
Purkinje Effect
·1874 words·9 mins
Others
color
Why glow-in-dark always in green? Not blue/yellow/red/white.
Effective Annual Yield
·391 words·2 mins
zd
Others
101
bank
rate
Comparing the interest rate between banks with EAY.
String.format()
·399 words·2 mins
Posts
python
Unique capabilities that f-strings cannot replicate.
Comparing 2 Numbers
·127 words·1 min
Posts
math
strategy
Here’s how I compare 2 large numbers.