Through Thick and Thin

User login

A Magic Trackpad (with batteries) has an apparent density of 0.38g/cm³, meaning it could be made of solid pine with a density of 0.5g/cm³ (a difference of 0.12g/cm³).
See another

Material Density (g/cm³)sort descending
Air (room temperature) 0.00
Expanded Polystyrene 0.10
Balsa 0.17
Cork 0.25
Pine 0.50
Oak 0.70
MDF 0.70
Soap 0.80
Butter 0.91
Polystyrene 0.92
Ice 0.92
Water 1.00
ABS 1.05
Nylon 1.10
Rubber 1.10
Paper 1.20
PVC 1.47
Carbon Fibre Composite 1.75
Brick 2.00
Concrete 2.40
Glass 2.50
Quartz 2.65
Aluminium 2.70
Granite 2.70
Slate 2.70
Titanium 4.50
Zinc 6.90
Mild Steel 7.80