Graphs and maps of conditions along the River Thames
How much CO2 are you saving by ditching your car?
Calculate rowing strokes per minute by tapping along with the rhythm
Test your inner clock by guessing how long a second is
Test your reaction times with this simple game
The classic Tower of Hanoi puzzle
Calculate heart rate bands (AT, UT1, UT2)
Write Haiku and validate them as you go
Copy of the TV show, Countdown, numbers round
Type something and throw it away forever
Type something REALLY BIG and show it to someone far away
Find better ways of saying things and avoid offending people