WEBVTT 00:00:00.400 --> 00:00:08.480 There are plenty of ways that people try to escape the sometimes underwhelming 00:00:05.600 --> 00:00:13.599 reality of everyday life. Going to the movies, visiting the local watering 00:00:10.639 --> 00:00:18.640 hole, or just sleeping until noon. But there's been a lot of buzz recently 00:00:16.400 --> 00:00:23.600 about the idea of actually immersing yourself in a virtual world with a 00:00:21.199 --> 00:00:29.679 virtual reality headset such as the Oculus Rift or HTC Vive. But even though 00:00:27.279 --> 00:00:36.000 the concept of plugging a generalpurpose VR headset into a gaming PC is just 00:00:33.680 --> 00:00:40.399 starting to take off, people have been sticking their heads into virtual 00:00:37.600 --> 00:00:45.040 environments for quite some time. All the way back to 00:00:42.440 --> 00:00:48.320 1962 when the world was introduced to the 00:00:45.879 --> 00:00:54.079 Sensorama, a contraption that not only played 3D movies, but could tilt the 00:00:51.120 --> 00:00:59.359 viewer's seat and even simulate wind and different odors. A few years later, a 00:00:56.879 --> 00:01:03.720 headset called the Sword of Damocles came out. Man, they had better names 00:01:00.960 --> 00:01:09.680 back then. Rift Vive, I want a Sword of Damocles. The name was because it was so 00:01:06.799 --> 00:01:15.200 heavy though that it had to be suspended from the ceiling. Although it could only 00:01:12.240 --> 00:01:21.200 display simple wireframe graphics, it was considered the first true VR 00:01:17.920 --> 00:01:23.240 headset. Virtual reality NVIDIA games 00:01:21.200 --> 00:01:27.920 didn't really start appearing until the 1980s when we started seeing arcade 00:01:25.680 --> 00:01:33.840 games like Battle Zone that used a periscope viewfinder to immerse players 00:01:30.640 --> 00:01:36.240 in the action and 3D glasses that were 00:01:33.840 --> 00:01:41.840 available for consoles like the Sega Master System. 1995 brought us the 00:01:39.200 --> 00:01:46.960 Nintendo Virtual Boy, the first mass marketed VR console. But although that 00:01:45.040 --> 00:01:52.640 one was marketed as being a totally immersive experience, its underwhelming 00:01:49.840 --> 00:01:58.079 monochrome graphics and difficulty of use made it one of the worst flops in 00:01:55.200 --> 00:02:02.960 Nintendo history. However, other companies were working on PC compatible 00:02:00.479 --> 00:02:07.840 headsets during this time, and the evolution of technology over the years 00:02:05.439 --> 00:02:13.760 ultimately gave us the high-spec VR headsets of today. But then, how do they 00:02:10.640 --> 00:02:16.959 work? Modern VR headsets show slightly 00:02:13.760 --> 00:02:19.440 different images to each of your eyes to 00:02:16.959 --> 00:02:25.040 fool your brain into thinking the 2D image on the screen is actually 3D. This 00:02:22.879 --> 00:02:30.239 principle is called stereoscopy and is actually similar to how the screen on a 00:02:27.280 --> 00:02:35.200 Nintendo 3DS works. To achieve a higher level of immersion, VR headsets use 00:02:32.959 --> 00:02:40.080 special lenses to increase the user's field of view, as well as pixels with 00:02:37.680 --> 00:02:44.959 very quick response times to reduce motion blur, meaning OLED screens have 00:02:42.800 --> 00:02:48.640 become popular for headsets, which you can learn more about here. By the way, 00:02:46.800 --> 00:02:54.560 unlike a monitor, which can deliver a perfectly enjoyable gaming experience at 00:02:51.200 --> 00:02:57.120 60 frames per second, headsets have 00:02:54.560 --> 00:03:01.680 higher refresh rates, typically around 90 Hz, and the high quality ones today, 00:02:59.599 --> 00:03:06.640 which is important because lower frame rates, lower refresh rates, can be 00:03:03.920 --> 00:03:11.040 disorienting in a VR context and cause motion sickness. Not what you want after 00:03:09.280 --> 00:03:16.480 you've dropped several hundred bucks on a Rift or a Vive. Because though of the 00:03:14.159 --> 00:03:22.400 high frame rate requirement and the headset resolutions that are well beyond 00:03:18.680 --> 00:03:24.959 1080p, a high-end PC system is basically 00:03:22.400 --> 00:03:30.799 a necessity. But beyond just graphics, VR headsets have sensors like gyroscopes 00:03:28.319 --> 00:03:35.280 and accelerometers to allow for head tracking so that what you see will 00:03:33.440 --> 00:03:41.440 change depending on where you're looking. Some headsets like the HTC Vive 00:03:38.480 --> 00:03:46.080 even use separate external base stations and lasers to enable whole room tracking 00:03:44.239 --> 00:03:52.159 so the system can detect the motion of your hands as well. So, as you can 00:03:49.280 --> 00:03:57.439 imagine, these headsets don't exactly come cheap. Fortunately, other lowerc 00:03:55.120 --> 00:04:01.680 cost VR solutions are becoming increasingly popular, such as Google 00:03:59.439 --> 00:04:06.159 Cardboard, which isn't much more than a couple of lenses inside a cardboard box 00:04:04.319 --> 00:04:10.239 with a slot where you can insert a smartphone. Developers have already 00:04:08.239 --> 00:04:14.640 written quite a few apps for Cardboard, making it a way to enjoy VR on the cheap 00:04:12.720 --> 00:04:19.840 if you don't have the coin for a gaming rig and a fancier headset. And although 00:04:17.519 --> 00:04:23.600 this new generation of VR headsets is just now hitting the market, there's 00:04:21.680 --> 00:04:28.639 already quite a bit of industry support, meaning that VR has the potential to 00:04:26.080 --> 00:04:34.560 really shake up how we experience games on both PCs and consoles. Maybe one day 00:04:31.759 --> 00:04:37.919 we'll even have VR Techquiki. 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I don't know, but you should do it. So, thanks for watching, 00:05:56.320 --> 00:06:02.320 guys. If you like this video, hit that like button. If you disliked it, well, you can hit the dislike button, too. I 00:06:00.320 --> 00:06:06.160 guess that's okay. You can also leave a comment with suggestions for future 00:06:03.600 --> 00:06:08.639 videos. You can check out our other channels. They're really good. 00:06:07.360 --> 00:06:13.759 Especially Channel Super Fun. We got some great videos going on over there right now. And you can subscribe and 00:06:11.919 --> 00:06:18.479 follow and all that good stuff so you don't miss any Fastest Possibles just 00:06:15.680 --> 00:06:18.479 like this one.