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.
Question: Can You Touch Mercury? Mercury is the only metal that is liquid at room temperature. Although it has been removed from most thermometers, you can still find it in thermostats and fluorescent lights. Do you know what happens if you touch mercury or whether it is safe? Here's a look at what to expect and the health hazards of touching liquid mercury. Also, find out what to do in the event of a spill. Answer: It's never safe to touch mercury. You'll hear older people tell you how it used to be common to use liquid mercury in labs and poke at it with fingers and pencils.