At the science fair Nicola Tesla accuses Thomas Edison of stealing her project. In real life Telsa and Edison were enemies.
The colours worn by the schoolchildren, representing their different frequencies correspond to the qualities of light.
Red is the lowest frequency (infra-red) and violet is the highest frequency (ultra-violet).
Red is the lowest frequency (infra-red) and violet is the highest frequency (ultra-violet).
OXV is an anagram of vox, which means "voice". It's also a very stylized depiction of an electrical wavefront.
When Zak meets Marie he does through an apple which is connected to Isaac Newton's most important event.
During the science fair, each of the group of students are wearing ties or accents that identify their frequency: red - the least lucky, green, blue and violet - the most lucky.