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The co-creator of this red-hot video game talks about why 'Fortnite' is 'living room safe'
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Epic Games' "Fortnite" - photo by Amy Iverson
When someone at your house is playing a video game these days, chances are theyre trying to eliminate 99 other people on "Fortnite."

This Epic Games creation hasnt even been around a year, and tens of millions of people across the globe own it and are playing religiously.

Donald Mustard is the worldwide creative director of Epic Games and says they never expected this level of success so fast.

Our initial 'Fortnite' offering, 'Save the World,' was a paid game and was a big hit, he says. But when we released 'Fortnite: Battle Royale' for free, it hit and just ignited the world.

"Fortnite: Save the World" launched in July 2017 (starting at $39.99) as a third-person shooter game where a player would team up with friends to defeat zombies. When "Fortnite: Battle Royale" came along in September, more than one million players took part on its very first day.

In "Battle Royale," players can go solo or team up in a duo, a squad quad or a team of 20. Players gather weapons and loot, and build stuff (think of a more sophisticated "Minecraft") all as a storm circle forces the players closer and closer together. The last team or player standing wins. Plus, "Battle Royale" is free, so, if you ask my 16-year old son, there is no reason not to play ("Save the World" will also eventually be free to play, according to Mustard).

On a Sunday, for example, Mustard says 4 to 5 million people will be playing "Battle Royale" at any given time. Thats part of the reason its release to mobile will need to roll out over time. The mobile rollout of "Battle Royale" is truly unique. It will allow cross-play, cross-progression, and cross-purchase between Xbox One, PC, Mac, iOS and (in the next few months) Android.

This week, wannabe mobile players can sign up for a Fortnite invitation.

Over the next days and weeks and potentially even months, well be inviting people into the game, Mustard says. We need to make sure as we start dumping in all these mobile players, that our servers can handle it on the back end. He says he is hopeful Epic can add a few million players per week, starting immediately with some lucky folks.

While other popular shooter games like "Call of Duty" and "Playerunknowns Battlegrounds" (PUBG) seem to be getting more and more realistic with eerily lifelike graphics, "Fortnite" takes a different approach. Its cartoony and theres no blood or gore. When you kill another player, the elimination looks more like an alien ships light beam coming down to quickly teleport your enemy away.

So why do so many grown-ups from Oakland Raider Derek Carr to singer/actor Joe Jonas love the game enough to tweet about it? Mustard says the fun look and cool tone of the game was the starting point.

I ask myself what I would want to play, he says. From very early on, the team knew one of our design pillars would be to make a game that was living room safe.

Mustard says he wanted mom or anyone else to be able to walk in the room and have whatever was on the screen be appropriate. At the same time, though, Mustard says, the game is still cool enough, that its really fun to play, even at a frat house.

The game is rated T for violence, but Mustard says his team is very careful with the content it puts in "Fortnite." I think around 12 years old is where the average age Id let them play, he says.

Full disclosure: I have played this game with my 11-year old and think its completely appropriate for him.

"Fortnites" currency is called V-bucks and players can buy these with real-life dollars. A new game season starts every 10 weeks or so, giving players the opportunity to buy a Battle Pass for $10. The Battle Pass gets you 1,000 V-bucks to buy some cool skins for your avatars, or emotes (dance moves your avatar can perform). Over the course of the season, players can also earn rewards and get some pretty cool stuff just for playing. Nothing players can buy with V-bucks actually helps them win the game, though, as Mustard says, its just fashion.

In the games prior season, players had to play a significant amount of time every single day to unlock all the available rewards. Mustard says when he realized that was the case, he changed that for the current Season 3. Every week, you get a pack of quests to do, he says, but you can do it at your own pace. Its not necessary to play every single day. Thats good info for the parents of kids who tell them otherwise.

Season 4 comes out about two months from now, but watch for fun new additions like "loot llamas" before then. We are blown away and humbled by how much people love this game, Mustard says. Were committed to making it the best game ever and were just getting started.
Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.