virtual relativity
Brandenburg Gate
Saturn
Eiffel Tower
geometrical objects
Enterprise
Flatland (Abbott)
Flatland
Flatland
troubles in Flatland
troubles in Flatland
troubles in Flatland
troubles in Flatland
troubles in Flatland
3 dimensions
3D universe
4D geometry
4D geometry
4D geometry
4D geometry
troubles in Spaceland
troubles in Spaceland
time
moving clocks(1)
moving clocks(2)
time dilation
space-time relation
addition of speeds (1)
addition of speeds (2)
Newton/Einstein
mass increase
Doppler effect
Doppler effect
riding a tram(1)
E=m*c
2
(1)
E=m*c
2
(2)
fusion (1)
fusion (2)
alpha-decay (1)
alpha-decay (2)
fission (1)
fission (2)
fission chain
riding a tram (2)
links