Channeling EOD techs. The Islamic State, aka Daesh, claims this bomb was used to down the Russian passenger jetliner over Egypt. There is no publicly available evidence confirming the claim, which may be a Daesh information op. Nonetheless, the bomb shown is interesting. The takeaway, though: It is not especially impressive. Or, as per the NYT copy:
The device depicted is nothing new or surprising, and it would not be hard for an experienced bomb maker to build.