Ratios and proportions
Why does distance change everything?
Levers & fulcrums
Mathematics.
Explore ratios, patterns and algorithms through machines, motion and digital information.
Ratios and proportions
How do gears trade speed for strength?
Gears in motion
Ratios and proportions
Can a rope make a load feel lighter?
Pulling with pulleys
Mathematics of motion
What sets the rhythm of a swing?
A pendulum clock
Mathematics of motion
Where will the shot land?
The field cannon
Mathematics of motion
How can falling keep missing Earth?
Falling around a planet
Numbers and algorithms
How can eight switches become a letter?
A message made of bits
Numbers and algorithms
How can switches make a decision?
Building decisions from gates
Numbers and algorithms
How do comparisons become sorted order?
The compare-and-exchange machine
Numbers and algorithms
When does a shorter description help?
A tape that counts its runs
10 experiments to explore. No account. Just curiosity.