Swing a ringing phone inside a long sturdy sock and you will
hear the strangely familiar Doppler effect. Sprinkle some iron
filings on an old swipe card and pretty magnetic patterns appear
right before your eyes. Can you unmix a mixed-up liquid? Master
this impossible looking trick and you'll feel like a ninja Jedi
master of the ever-expanding universe... Create a miniature
fountain in a bottle with a straw, adhesive putty and the nifty
physics of thermal expansion. Explore more Tricks Monday, 15
October 2012 Everyone knows ice floats on water but is this
normal behaviour? If you're nodding or simply shrugging your
shoulders, grab some olive oil and an ice tray because you're in
for a surprise. Wednesday, 15 August 2012 Try synchronising two
or more metronomes so they tick in perfect unison and you'll end
up tearing your hair out, unless you know the cunning trick.
Tuesday, 17 July 2012 Make a toroidal vortex 'gun' that shoots
doughnut-shaped vortices you have to see to believe. Wednesday,
13 June 2012 Use th