Massive Star Explosions: New Results New Instruments

In the first part of the talk I will present two paradigm breaking stripped envelope SNe The first one SN 2010mb shows direct evidence for a supernova interacting with a large amount a couple of solar mass of hydrogen free circum stellar material The second one PTF12gzk is a Jet SN discovered 1 day after explosion In the second part of the talk I will present the SED Machine an integral field spectrograph built from the bottom up to classify transients as well as ULTRASAT a proposed space mission to u