What are the 20 things you use in daily life that are related to science?

1 heart (Biology)

2 alarm clock (lcd <- polarization of the light)

3 car (inertia, centripetal force, pulleys and gears, internal combustion)

4 lights (electricity)

5 shower (Bernoulli principle)

6 toaster (Joule effect, Ohm's Law, convection)

7 microwave (electromagnetic fields, radio waves)

8 fridge (thermodynamics, condensation)

9 key (heat treating, alloys made from elements)

10 bicycle (sprockets, brake levers)

11 road (oil refinery)

12 computer (transistors, electronics)

13 mouse (laser, electronics)

14 internet (protocols, databases, communication technology)

15 glasses (optics, bending of light)

16 pen (capillarity)

17 elevator (mechanics, pulleys)

18 coffee machine (heat, capillary effect)

19 radio (vibration of the air, radio frequencies)

20 brain (a looooot of science in there)