It had an incredibly dynamic impact on the space and made you conscious of your own presence in the room, like all good sculpture - not at all dumb. (theguardian.com)
Dynamic impact testing of the mattress support system - intended to address incidents involving collapse or failure of mattress support systems; (cpsc.gov)
Having said all that, I am not as bothered about his decision to reject a new Arsenal contract as I am about his team mate Alexis Sanchez doing the same, because Ozil does not have that same dynamic impact and that is what Arsenal need more of. (justarsenal.com)