Gorazd Planinsic is a professor at Lubiana Univesity in Slovenia, and co-founder of the House of Experiments science museum.

Professor Planinsic develops many new activities, is a frequent contributor to Physics Teacher magazine, and is an International Advisor to Physics Education. In his spare time, he creates fantastic physics drawings for a text books.

Dr. Yoji Takikawa is a teacher at the International Christian School in Tokyo. He creates at least one new activity every month and has published over 25 books of science activities. He is a member of the famous group of science demonstrators named Galileo Circle. He has visited the Exploratorium many times and we always look forward to his visits.

Try this at home!
Break spaghetti on a scale
Deflect a candle flame with a magnet
Throw a giant balloon

"Laws of Physics" used with permission thanks to The Bungee Jumping Cows