भौतिकशास्त्र

The Thermal Overload Relay: A Bimetal That Heats Like the Motor

Volt द्वारा

विद्युत यान्त्रिकी

The Snap-Action Switch: A Spring That Jumps Past Its Own Centre

Penny द्वारा

विद्युत यान्त्रिकी

१६

The Pressure Switch: A Gauge That Turns the Motor On and Off

Emma द्वारा

विद्युत यान्त्रिकी

The Float Switch: A Liquid Level Turned Into a Contact

Volt द्वारा

विद्युत यान्त्रिकी

८

The Contactor: A Relay That Remembers to Stay Off

Volt द्वारा

विद्युत चुम्बकत्व

९

The Solenoid Valve: An Electromagnet That Opens a Pipe

Emma द्वारा

इन्जिनियरिङ

१९

Drying Grain for Storage: Warm Air That Carries the Water Away

Karen द्वारा

कृषि

The Grain Auger: Archimedes' Screw Spun Fast in a Tube

Martin द्वारा

यान्त्रिकी

१३

The Forage Harvester: Chopping Green Crop to a Set Length

Karen द्वारा

यान्त्रिकी

The Rotary Tiller: Blades That Cut the Soil in Slices

Martin द्वारा

यान्त्रिकी

२४

The Combine Harvester: Cut, Thresh, Separate and Clean in One Pass

Martin द्वारा

यान्त्रिकी

१४

The Disc Harrow: Dished Wheels Set at an Angle

Karen द्वारा

कृषि

Hydraulic Draft Control: The Plough That Rises When the Soil Gets Hard

Martin द्वारा

यान्त्रिकी

१२

The Balanced Vane Pump: Two Pumps Facing Each Other in One Ring

Emma द्वारा

इन्जिनियरिङ

Hydraulic Power Steering: A Piston That Follows the Driver

Martin द्वारा

यान्त्रिकी

२१

The Gerotor: Two Rotors, One Tooth Apart

Martin द्वारा

यान्त्रिकी

१६

The Hydrostatic Transmission: A Gearbox Made of Oil

Martin द्वारा

यान्त्रिकी

The Spool Valve: Steering Oil With a Sliding Rod

Emma द्वारा

इन्जिनियरिङ

१९

The Double-Acting Cylinder: Push With the Bore, Pull With the Ring

Emma द्वारा

इन्जिनियरिङ

२४

Calibrating a Sprayer: Litres per Hectare from a Stopwatch and a Jug

Karen द्वारा

कृषि

१९

Centre-Pivot Irrigation: A Pipe That Walks Round the Well

Karen द्वारा

कृषि

१६

The Spindle Cotton Picker: Wind the Lint Off the Boll

Karen द्वारा

कृषि

१०

The Ferguson Hitch: A Virtual Pivot Ahead of the Axle

Martin द्वारा

यान्त्रिकी