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.
B. Specimens may be collected at any time of the day. First morning urine samples will normally contain the highest levels of hCG. C. If not tested immediately, urine may be stored at refrigerated at 36â46oF (2â8oC) for up to 48 hours. Samples must be brought to room temperature before testing. D. For prolonged storage, specimens may be frozen and stored below -20oC.