circuit energy I

Frame EL1

current and resistance

Frame EL2

resistors in series and parallel

Frame EL3

current, particles and energy transfer

Frame EL4

circuits, difference and flow

Frame EL5

current, resistance and voltage

Frame EL6

the logic of equations

Frame EL7

defining and calculating resistance

Frame EL8

a linear graph

Frame EL9

not-so-linear graphs: hot wire

Frame EL10

not-so-linear graphs: diode

Frame EL11


An introduction to China: history, culture, geography, travel

Video for adult learners of English at beginner and elementary levels

A fun gied too speling ov dhu Inglish langwej

Our UK company 

Video and information for children

Copyright (c) David Brodie, 2019-2021

Photography: Adobe Stock