Someone wrote in [personal profile] svyatogorodski 2021-02-02 11:46 am (UTC)

Не было бы эквивалентности инертной и гравитационной масс :-) Вся вселенная бы качалась туда-сюда :-)

Post a comment in response:

If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting