Thousands of people get lost in the desert every year, but these otherworldly solar beacons could save them
They look like save checkpoints in a video game, and they kind of are.

Solar-powered beacons in the Saudi Arabian desert guide lost travelers to water.
Chief among my worries as a kid was what I considered the high probability that at some point in my life I would be trapped in quicksand. It felt extremely important that I remember all the tricks and techniques for getting out — just in case! A close second would have to be getting lost in the desert and dying of dehydration. You absolutely had to watch out for those deadly mirages, where the light on the horizon bends in such a way that you're certain you can see water up ahead.
At least one of those fears was fairly well-founded. All jokes aside, the desert is an incredibly dangerous place. It turns out that thousands of people get lost and go missing in deserts across the world every year. The Sahara Desert, the largest hot desert in the world, claimed a staggering 8,000 lives alone in 2023. These aren't overly flippant explorers, for the most part. Many migrants fleeing conflict zones across the desert become lost and suffer a tragic fate while trying to navigate the 3.6 million square mile area. There are many things that make the desert deadly, but dehydration with no access to water is at the top.
A team in Saudi Arabia has been testing a new technology that could drastically reduce dehydration-related deaths in the country's Al-Nafud Desert, and it looks like something straight out of a video game.
Though the Al-Nafud desert is quite a bit smaller than the Sahara standing at about 25,000 square miles, it can still be daunting to cross. Most years, hundreds of people go missing with several dozen of them perishing in the process.
An explorer named Mohammad Fohaid Al-Sohaiman had a brilliant idea to help lost travelers find water. Having been rescued in the desert himself, even as an experienced survivalist and outdoorsman, he knew there had to be a better way.
“Many people lost their lives in the desert near water resources because they did not know that water resources were close to them,” he told Arab News.
The idea: Beacons made of laser light, shot directly into the sky near water sources such as water wells. These powerful lights could be seen from miles away and would be powered by solar panels, ensuring they never go dark.
The plan is to eventually install 100 of the beacons throughout the Saudi Arabian desert.
The program to install the life-saving beacons began in 2021. It's still getting attention and inspiring awe all over the world.
A recent viral Reddit thread highlighted the innovative laser lights, and users were impressed:
"Absolutely brilliant! The rest of the world should immediately begin to implement this system in their desert areas as well as open oceans where water, food and communication devices could be stored for boaters in distress."
"This is such an amazing idea."
Others joked to the beams look like "save points" or "checkpoints" in a video game. They're not wrong!
Some have criticized the beacons, however, claiming that the light pollution may harm the desert's natural environment and residents like nocturnal animals and insects.
The desert holds vast potential for solar power due to its massive open spaces and plentiful sunlight. In fact, solar farms are common in deserts all over the world.
However, there are a couple of limitations that stop us from covering all the world's deserts in solar panels and completely converting to solar energy.
First, people underestimate how destructive and harsh the desert environment really is. Sand is incredibly corrosive, especially when whipped around in high-powered sandstorms. Maintaining solar equipment in the desert is incredibly challenging and costly.
Second, we think of deserts as open wasteland, but that's a misnomer. They're actually incredibly biodiverse natural habitats, home to many different forms of plant, animal, bird, and insect life. The desert habitat is no less important to preserve than rainforests or oceans.
Third, while solar energy is generally considered incredibly eco-friendly, massive solar farms can actually put off quite a bit of heat. A desert-sized solar farm would emit so much heat that it could negatively contribute to global warming and have devastating effects.
In any case, the life-saving beacons are a genius idea and a fantastic use of solar technology. Once the program is fully rolled out, it could save dozens or even hundreds of lives every year.
Just imagine a similar operation conducted in the massive Sahara Desert, or even in remote stretches of the American southwest.
As one commenter stated perfectly, "Now this is the type of innovation for the future I can get behind."
- These depressed-looking desserts might mean that depressed-feeling people get the help they need. ›
- Africans are building a Great Green Wall of trees across the continent to slow down the Saharan ›
- 'Forgotten' water harvesting system transforms 'barren wasteland' into thriving farmland ›
- A new school for girls in India stays cool in 120 degree desert heat without air conditioning - Upworthy ›



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An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
- YouTube youtube.com
Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.