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Watch Out for Counterfeit Solar Eclipse Glasses. In case you’ve somehow managed to avoid the growing hype, on August 2. United States. And to protect your eyesight when staring into the sun, you’ll need protective glasses. Naturally, though, there are already sketchy retailers out there peddling counterfit eclipse- watching gear, that might not appropriately protect your vision. A post from Quartz warned against counterfeit eclipse glasses that are being sold on Amazon by companies that don’t normally make astronomical gear. One seller, for example, also sold fidget spinners.
Of course they did.)According to NASA, you should check if your glasses fit these criteria: Have certification information with a designated ISO 1. Have the manufacturer’s name and address printed somewhere on the product. Not be used if they are older than three years, or have scratched or wrinkled lenses. Not use homemade filters or be substituted for with ordinary sunglasses — not even very dark ones — because they are not safe for looking directly at the Sun.
The American Astronomical Society has approved these five brands for buying eclipse glasses: American Paper Optics, Baader Planetarium (Astro. Solar Silver/Gold film only), Rainbow Symphony, Thousand Oaks Optical, and TSE 1. However, many counterfeit companies also use the names of the approved companies on their glasses. NASA and the American Astronomical Society will approve more brands in an upcoming post, and retail stores like Walmart will likely soon begin selling approved eclipse- viewing glasses.
These counterfeits aren’t necessarily dangerous to use, but there just isn’t a guarantee that they’ll protect your eyes. Ordinary Decent Criminal Full Movie. Solar- eclipse fever means counterfeit glasses are flooding Amazon’s market Quartz.
In case you’ve somehow managed to avoid the growing hype, on August 21, a solar eclipse will pass over the United States. And to protect your eyesight when staring. Create photo books, personalize photo cards & stationery, and share photos with family and friends at Shutterfly.com. Watching movie is a nice way to relax your mind and keep entertained. There are lots of medium available to watch movies online. You can go to theater to e.
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Internet Speed and Bandwidth for HD Video Quality - How fast should my internet connection be to watch streaming HD movies? In a 2. 01. 0 survey, the Federal Communications Commission (FCC) found that 8. Internet in the U. S. didn't know the speed of that broadband connection [source: Gurin].
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In addition, some may be surprised to learn that they're only getting a fraction of their service's advertised maximum speeds. For example, your Internet service provider (ISP) might have you on a plan that says "up to 3. Mbps down" while you're really only getting download speeds of around 1. Mbps. Web sites like speedtest. Internet connection, but be cautious of some of the tempting "start" buttons in ads on the sites - - many are actually well- designed ads that look like they're part of the site's test mechanisms. Before you call your ISP about any discrepancies, remember that the plan you're on is based on a maximum value. Your actual results are affected by factors like your ISP's peak Web use times, the number of people sharing your line and your distance from the ISP's fiber pipeline.
When it comes to streaming HD video, you'll need a broadband speed, or bitrate, that's capable of handling a progressive scan rate of 7. Since your HD- capable screen is refreshing the screen 6. Your computer or other device will cache all the incoming data and queue the video frames so they're ready for smooth playback. From there, determining the speed you'll need seems to be a matter of math. That math, though, requires some idea about the size of the video file.
This depends on how the file is encoded, more commonly referred to as the file type. A one- hour 7. 20p video in the MPEG- 2 standard might be 2.
GB while the same video in one of the newest video standards, H. Advanced Video Coding (AVC), could be almost 1. GB [source: Digital Rebellion]. Thus, differences in file size could be one explanation for why different Web sites have different speed recommendations for streaming their HD content. Suppose the video you're streaming is one hour long, and the file size for that video is 6 GB. While a broadband connection of up to 1.
Mbps lets you easily stream a lot of video content online, you'll want 1. Mbps or more for this six- gigabyte HD video. Here's a quick look at the math: Approximate megabytes: 6 GB = 6,1. MB (1 GB = 1. 02.
MB)Approximate megabits: 6,1. MB = 4. 9,1. 52 Mb (1 byte = 8 bits)Number of seconds per hour calculation: 6. Megabits per hour calculation: 4. Mbps. When you're streaming HD content, also consider whether the connection jumps over a wireless router.
If so, note that the connection speed could drop over the connection if the Wi. Fi standard isn't fast enough.
You'll want to avoid slower 8. As with anything you do over your broadband connection, be sure to note whether your ISP will slow down or stop your service after reaching a certain bandwidth threshold.
Some sites, such as Netflix, let you choose a lower playback quality to help you stay within those thresholds, even though it means giving up the higher definition. Also, make sure the hardware you're using isn't just HD- capable, but it has the processing power to cache and play video files in HD.
For lots more information about your internet connection and streaming HD video, head on over to the next page.