B1 Man and Technology

B 1.1 Renewable Energy Sources

B 1.2 Navigation and Orientation in Nature and in the City

B2 Electric Power and Electric Circuits

B 2.1 Simple Motors (Homopolar Motors)

B 2.2 Electric Circuitry in the Home

B3 Machines and Devices in Household

B 3.1 Solar Ovens and Rocket Stoves ►

B 3.2 Electronic Home Security Systems

B4 Household Appliances

B 4.1 Refrigerator

B 4.2 Electric Cooker, Induction Cooker and Microwave Oven

B5 Technical Electronics

B 5.1 Smartphone Applications (e.g. Sensors)

B 5.2 Building Reliable Microphones for Music Recording and Acoustical. Experiments with a Smartphone or a Laptop

B6 Housing fittings

B 6.1 Thermal Insulation ►

B 6.2 Environment Friendly Heating and Air Conditioning Systems for a Family House, Regulation