But the big VR players are still working out motion tracking. When you look down with a VR headset on the first thing you want to do is see your hands in a virtual space. For a while, we've seen the Leap Motion accessory - which uses an infrared sensor to track hand movements - strapped to the front of Oculus dev kits.
Urine specimens should not remain unrefrigerated for longer than two hours. Aurine specimen that cannot be delivered to a laboratory within two hours should be stored in a refrigerator. The reason for this precaution is that urinesamples undergo chemical changes at room temperature.
While the old human urine sample should have no effect on the current sample, human urine does technically âgo badâ. To remain useful for a testing facility to be able to perform any tests on the sample the human urine must be properly stored to remain âgoodâ. Proper storage includes a vacuum sealed container and a freezer.