Variable resistor

Resistors control how much electric charge flows through a circuit each second – the size of the current in the circuit. They do this by controlling...

The human eye contains structures that allow it to perceive light, movement and colour differences.

Both science and mātauranga pūtaiao build knowledge and understanding about our world. Often, we start with curiosity about something we’ve noticed and we want to find...

He tohunga ō tātou tūpuna mō te āta mātaitanga. He mea whakamōhio i a rātou ngā raraunga mai i ngā mātaitanga i te manaakitanga o te...