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.
How Long Can Urine Be Stored Before the Testing is Performed for a Urinalysis? written by: angiem1981â¢edited by: Emma Lloydâ¢updated: 5/17/2010 The length of time urine can be stored before testing is crucial for a urinalysis.