3D-printing advance mitigates three defects simultaneously for failure-free metal parts 



University of Wisconsin-Madison engineers have found a way to simultaneously mitigate three types of defects in parts produced using a prominent additive manufacturing technique called laser powder bed fusion

Putin orders serial production of Oreshnik hypersonic missile



Russian President Vladimir Putin says the new Oreshnik hypersonic missile used against Ukraine this week will go into serial production and is "ready to be used" again if necessary. Speaking on Friday during a televised meeting with members of his Security Council, defense industry officials and missile developers, the Russian leader said the Oreshnik cannot be stopped or intercepted an…