Page history
19 July 2019
7 June 2019
29 April 2019
22 April 2019
20 April 2019
16 April 2019
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+9
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+2
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+100
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+26
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+371
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+1
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-2
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+28
14 April 2019
8 April 2019
7 April 2019
6 April 2019
14 March 2019
13 March 2019
12 March 2019
→Solar system; stability of orbital motions; satellites
+18
→Solar system; stability of orbital motions; satellites
-63
→Solar system; stability of orbital motions; satellites
-45
11 March 2019
9 March 2019
→Hazards and uses of radioactive emissions and of background radiation
+6
→Electrical Current
+14
→Hazards and uses of radioactive emissions and of background radiation
+16
8 March 2019
7 March 2019
→Absorption and emission of ionizing radiations and of electrons and nuclear particles
-29
→Absorption and emission of ionizing radiations and of electrons and nuclear particles
-1
→Absorption and emission of ionizing radiations and of electrons and nuclear particles
+1
→Absorption and emission of ionizing radiations and of electrons and nuclear particles
+39
→Hazards and uses of radioactive emissions and of background radiation
+69
→Absorption and emission of ionizing radiations and of electrons and nuclear particles
-20
→Nuclear atom and isotopes
-10
→Nuclear atom and isotopes
+9
6 March 2019
→Nuclear atom and isotopes
+20
→Nuclear atom and isotopes
-38
→Nuclear fission and fusion
+30
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+1,715
→Particle model and pressure
-28