contents


toys


short but sweet
desk-fan mobiles
bi-metallic strip & candle mobile
coke-can planimeter
kites
click here to find out about harmonographs
pendulum escapement
simple drawing instruments
balloon buggy
toy hovercraft
simple ceiling robots
bubble blower
robot arm
dynamic balance
static electricity
handwriting robots
printer port robot
walking machine toy
electric dodgem
remote controlled cars
elastic-powered car
obstacle climber
cable car
toys made from battery-operated handheld fans
toy submarines + other boats
rotodynes
rubber-band helicopter
cyclic steering
electric aeroplanes
water rocket
rocket
flicking cardboard rings
nipkov disc
optical illusion
radio controlled steam traction engine
hot air balloons
marble runs
crystal radio
magnetometer
electric motor
spinner
magnetic padlock
vortex gun made from plastic bucket
magnetic pendulum
electric dice spinner
flips & flops
archimedean screw water pump
candle holder
stirling engine
air/steam motor
how it's done


stories


the crock of gold by james stephens
the demi-gods by james stephens
the insurrection in dublin by james stephens
the passing of black eagle by O.Henry
Nicola Tesla
physics
more physics
physics demos
last of the mohicans
the coming of hiawatha
mister toad
joel chandler harris
tristram shandy
the road to en-dor
the caravaners
to ruhleben-and back
qships
south (ernest shackleton)
winged victory
inside a twister
iolanthe
marshal ney
battle of waterloo
the good shepherd
the good soldier svejk
the greatcoat by nikolai gogol
the purple cloud by MP Shiel
the master and margarita by mikhail bulgakov
the fatal eggs
war with the newts by karel capek
sailing alone around the world
Kilgore Trout
Walter de la Mare

miscellaneous


link to clockfaces
link to chessboards
link to paper cutouts
paper model of the 'Mayflower'
WS Williamson
lines graphic, print on paper and as a transparency to do moire fringe cutouts
LINK TO MUSIC WEB SITE
Pythagoras proof
quadratic equation visualiser
link to flash tutorial for above
magic numbers
mandelbrot diagrams
Trachtenberg maths program I wrote
LINK TO TRACHTENBERG MATHS WEB SITE

remaining links need a java-enabled browser

Automatic isometric construction lines. Written using only geometry!
Can't remember what this is. Something to do with converting way-points into directions
Virtual handwriting
Draw kitey things in the sky
Artificial Intelligence




MY EMAIL ADDRESS davidvwilliamson@hotmail.com