00:46

Bubblemill

02:02

Bubble entertainment at Elvaston Castle July 2021

09:17

Great Explorations, Liverpool, 1992

00:43

Running zebra 'praxinoscope' interactive exhibit

00:35

'Electric Fleas' interactive science exhibit

00:21

'Newton's Laws' interactive science exhibit

00:34

Ghost Hand interactive science exhibit

01:22

Wind turbines made by eleven-year-olds

01:48

My top favourite exploratory/interactive exhibit

34:45

Ian Russell, Silver Rain radio station, Russia

07:33

When information stifles exploration

00:21

Grey mullet feeding frenzy

01:32

Experiments with a 'Fidget' spinner

04:23

Silicone jellyfish

00:42

The Ghost Hand

01:21

Elephant herd at Hluhluwe-iMfolozi game reserve, South Africa

01:15

The Toroidal Vortex Projector

00:12

How NOT to throw a water bomb with a sling

00:19

Mouse-trap catapults

03:13

Bigger Bubble Colours

00:12

Ecsite2016: the Speakers Reception

01:07

Bring me Sunshine

01:16

Slow-motion bubble girl

03:59

Brighter Days

01:10

Ball Ramp at Underwater Street, Liverpool

01:28

Earthquake table: 4th test

00:12

Earthquake table: 3rd test

03:36

Earthquake table: 2nd test

01:32

My paper plane launcher invention at Zelenograd Science Festival

00:15

Hovercraft made from cardboard and drinking straws.

00:18

Running-tiger praxinoscope

00:33

Bubbles at Oslo Science Centre and Technical Museum

00:17

Russell's Racing Hairbrushes

00:44

My simple Wave Machine

00:46

Windmill made from CDs

00:11

Spectacularly successful elastic-powered buggy

00:30

Hawk Green Festival 2015

00:13

Thumb-lights

01:57

Bubble colours!

00:28

Electric Confetti

00:49

Portable interactive exhibit with prisms and laser.

01:49

Slow-motion big bubbles at sunset

00:23

Laser 'Christmas lights'

04:18

Bubbles with dancers, live electronic music and children

04:21

Bubbles with music 1

02:43

Bubbles with music 2

01:38

Euler's Disc

01:00

Unfinished 'mass spectrometry' interactive exhibit taking shape...

00:19

Prototype for a 'mass spectrometry' interactive exhibit...

33:02

'Try It Yourself!' science show for children

03:26

Rube Goldberg machine at the 2014 ECSITE Conference

01:24

My bubble machine adds a little extra joy to the park

00:34

Exploding film canisters

00:42

My latest invention

09:31

Science also belongs to children

05:29

Totally awesome laser show launching Moscow Science Festival 2013

00:36

Indoor water rocket launch, including slow-motion replay.

02:33

Scottish bagpipes in Novosibirsk, Siberia, Russian Federation

01:00

My water-balloon trebuchet loaded and fired by 7-year-olds