Today’s Guardian asks if laser spying is really practical. As any student who has taken my acoustics course will know, it has probably been in use for at least twenty five years, as described in this Time magazine article from 1987.
Miscellaneous blogging
Today’s Guardian asks if laser spying is really practical. As any student who has taken my acoustics course will know, it has probably been in use for at least twenty five years, as described in this Time magazine article from 1987.