Luca Moroni<p>Terrible accident in Rome.<br>2 police patrol cars engaged in different crime operations, both driving at full speed and with their sirens blaring, crashed at an intersection.</p><p>Probably each driver just heard their own siren but not the other's.</p><p>So, 2 overlapping concurrent alerts summed up to none.🤔 </p><p>(It seems there could be a more general law to explain above event, but I'm not very sure what it is)</p><p><a href="https://mathstodon.xyz/tags/modulararithmetic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>modulararithmetic</span></a> <a href="https://mathstodon.xyz/tags/warnings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>warnings</span></a> <a href="https://mathstodon.xyz/tags/selfalert" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>selfalert</span></a></p>