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.
Generally, the urinalysis should be completed within six to eight hours of collection. Decomposition of urine begins within 30 minutes; therefore, ideally, urine should be examined within this time. Urine left at room temperature for more than two hours is usually considered unacceptable for examination.