another serial number perhaps a paint fragment used by malaysian airlines that proved to them conclusively that it was from mh-370. now, in a very short time we're also going to hear from the paris prosecutor. he will be giving perhaps more details of what exactly those analysts found but from the may malaysian prime minister that part is from mh-370. the next part of the puzzle is much more difficult to solve because the piece in the facility can also tell us at what speed possibly tell us at what speed the plane hit the water, whether it sort of nosedived into the water at great speed or whether it hit much more in that direction and, therefore, possibly the fuselage is intact. they'll use a microscope that can analyze the damage the tears, the rips to that wing flap and magnify them 100,000