document.write("«&nbsp;<a href='/news/view?id=60457'>Nginx 1.13 released with TLS 1.3 support</a>");document.write(" | ");document.write("<a href='/news/view?id=60459'>Nonlinear interaction of impulsive gravitational waves for the vacuum Einstein equations. (arXiv:1301.1072v2 [gr-qc] UPDATED)</a>&nbsp;»");