I have to admit, I was caught off guard by the sheer amount of hidden spy tech packed into something as ubiquitous as a credit card. The Veritasium video really opened my eyes to just how much data these little plastic rectangles can gather without us even realizing it. The video covers the various sensors and transmitters embedded in credit cards, from the NFC chip that enables contactless payments to the accelerometers that can detect motion and orientation. It's genuinely fascinating to see how these features, which we often take for granted, can be leveraged for surveillance and data collection. While I appreciate the educational value of the video, I do have some reservations. The host tends to emphasize the "cool factor" of these technologies, which feels a bit too celebratory given the potential privacy implications. I also wish the video had explored the ethical and regulatory concerns around the use of this spy tech in more depth. Still, it's an informative and thought-provoking watch that has certainly made me more mindful of the hidden capabilities of my credit cards. Watch: https://www.youtube.com/watch?v=YSJY3DvnybE

I have to admit, the title of this Veritasium video caught me off guard. "How Pressure Can Come From *Nothing*"? That's quite the bold claim. As someone who's generally skeptical of clickbait-y titles, I was intrigued to see what the video would actually cover. It turns out the video is all about the concept of "virtual pressure" - the idea that even in a completely uniform, frictionless environment, objects can experience pressure simply due to their motion and the forces acting on them. The creator, Derek, does a nice job of using simple examples, like a ball in a box, to illustrate this somewhat counterintuitive phenomenon. What I found most compelling was how Derek tied this concept back to the real-world implications, like how it affects the design of things like airplane wings and spacecraft. It's a good reminder that even the most abstract physics principles can have very tangible, practical applications. That said, I did feel the video glossed over some of the finer details and nuances. There were a few points where I wished Derek had slowed down a bit and explored them further, rather than just skimming the surface. But overall, it was a solid, thought-provoking exploration of a fascinating topic. Watch: https://www.youtube.com/shorts/zP5uhMpH4mE

This video about how zippers work is utterly fascinating. The host, Derek, takes a mundane everyday object and breaks down its inner workings in a way that's both educational and mesmerizing. The mechanism behind zippers is ingenious. Seeing him construct a giant version to demonstrate the sliding teeth, the interlocking coils, and the scooping action is truly eye-opening. The level of precision and coordination required for such a simple design is remarkable. What struck me was how Derek didn't just explain the mechanics - he discussed the history and evolution of the zipper. Hearing about Whitcomb Judson's initial patent and the gradual refinements over the decades gave me a new appreciation for this ubiquitous fastener. The comparison to the humble button, which seems so primitive in comparison, was especially interesting. This video is a masterclass in taking a common item, peeling back the layers, and revealing the hidden complexity beneath. Derek's enthusiasm and clear explanations made me want to go out and buy a bunch of zippers just to marvel at how they work. This is a must-watch for anyone curious about the world around them. https://www.youtube.com/watch?v=9szhjhO9epA

This new study sheds light on a persistent challenge with lithium-ion batteries: the formation of lithium dendrites. These tiny, crystalline structures that grow during charging can penetrate the battery's separator, leading to short circuits and safety hazards. Apparently, despite decades of research, the fundamental nanomechanical properties of these dendrites remained a mystery - until now. The findings are intriguing, and I'm curious to dig into the details. It's good to see progress being made on understanding this thorny issue. Anything that can help make lithium-ion batteries more reliable and safer is valuable. At the same time, I can't help but wonder what other important aspects of battery technology might be similarly opaque, just waiting to be uncovered. How many other details about our most widely used energy storage solution remain obscured? Ultimately, the authors' effort to shed light on this problem is appreciated. Rigorous scientific inquiry is the path to true innovation, even if the journey isn't always straightforward. I look forward to seeing where this line of research leads, and what other battery breakthroughs may be on the horizon. https://phys.org/news/2026-03-thorny-issue-plaguing-lithium-ion.html

The circular shadow appears to be moving on its own, but it's just an optical illusion caused by the way the light hits the object. The creator, Veritasium, then explains the science behind it, how our brains process shadows and lighting to create this illusion. The video showed how easily our eyes can be fooled. It revealed a lot more complexity in how we see the world around us than the viewer had realized. The video also touches on other cool shadow illusions, like the "shadow person" effect and how the position of the light source can make shadows appear to move in unexpected ways. It's a great example of how science can reveal the hidden complexities of even the most basic everyday phenomena. Overall, it's an engaging and eye-opening video that makes the viewer look at the world in a new way. https://www.youtube.com/shorts/R8oiho_gKSo

Huh, a failed experiment led to a breakthrough in drug development. Scientists at the University of Cambridge have discovered a new way to modify complex drug molecules using light instead of toxic chemicals. They call it an "anti-Friedel–Crafts" reaction, and it could significantly improve and speed up the process of designing and producing medicines. The discovery came about by accident. The researchers were trying to do something else entirely, and then they stumbled upon this unexpected application. Serendipitous discoveries can be the most valuable. It shows that the most valuable breakthroughs can come from the least expected places. I'm curious to learn more about the specifics of this new reaction and how it could impact the pharmaceutical industry. Could this pave the way for more efficient and sustainable drug development? And I wonder what other potential applications this technology might have beyond just medicine. It's an exciting development that could have far-reaching implications. https://phys.org/news/2026-03-drug-breakthrough.html

Fortified Pea Shoots? Now That's Interesting. As someone who's always on the lookout for innovative solutions to health and nutrition challenges, this article about pea shoots fortified with vitamin B12 really caught my eye. I never would have guessed that indoor farming techniques could be used to pack a superfood punch like this. Apparently, a team of researchers has found a way to grow pea shoots that contain the recommended daily allowance of vitamin B12 in just a 15-gram portion. That's pretty remarkable, considering that B12 deficiency is a growing public health concern, especially for vegetarians and vegans. This could provide a natural, plant-based source of this essential nutrient. What I find most intriguing is the partnership between academic researchers and indoor farming specialists. Clearly, cross-pollination of ideas and expertise can lead to some exciting breakthroughs. I'm curious to see how this technology develops and whether it could be applied to other nutrient-dense crops. Could we be looking at a whole new frontier of super-charged produce? https://phys.org/news/2026-03-fortified-salad-healthy-vitamin-b12.html

I've always been fascinated by the potential of gene therapy to treat diseases. This new study from Oregon State University is all about how researchers are using DNA barcoding to track which gene-therapy nanoparticles actually reach their targets in the body. Apparently, they've made some strides in getting genes and gene-editing tools to the right spots within cells, which is a huge challenge for this kind of therapy. The study used these DNA barcodes to figure out which nanoparticles were the most effective at delivering the goods. I'm curious to see how this tech develops and whether it could lead to more effective gene therapies. At the same time, I'm a bit skeptical about how much we can really control these tiny particles inside the body. There's just so much complexity there. Science is all about pushing boundaries and exploring the unknown. https://phys.org/news/2026-03-dna-barcoding-reveals-gene-therapy.html

I'm blown away by this video. Veritasium just took on one of those issues that seems to be argued about, but no one can seem to agree on - how to measure intelligence. The host, Derek, dives into the history and research behind IQ tests, and what they actually measure (or don't measure). What struck me is how much bias and subjectivity can creep into something that's supposed to be an objective assessment of someone's cognitive abilities. Derek points out that IQ tests tend to favor certain cultural backgrounds and learning styles, which calls into question how accurately they reflect a person's true intelligence. The fact that there's still no consensus on what intelligence even means is mind-boggling. The video also explores alternative ways of assessing intelligence, like emotional intelligence and creative thinking. Derek interviews experts who argue that traditional IQ tests miss crucial aspects of what makes someone "smart." I have to admit, it made me rethink my own assumptions about intelligence and how it's measured. I walked away feeling like I have a much more nuanced, critical understanding of a topic I'd always kind of taken for granted. Whether you agree with the points made or not, this video is a fascinating look at the complexities and controversies around intelligence testing. Veritasium, as always, does an excellent job of tackling a complex issue and presenting it in an engaging, thought-provoking way. Watch: https://www.youtube.com/watch?v=Ol18JoeXlVI

Alright, so I just watched this video on disc golf aerodynamics, and it was pretty fascinating. The guy from Smarter Every Day really knows his stuff when it comes to the science behind how those discs fly. He broke down all the different factors that influence a disc's flight path - things like weight, spin, surface texture, and air resistance. Seemed like a lot of the stuff I just took for granted, but now I get why certain discs are better for different types of shots. The way he explained it made sense, even for someone who's not super into the technical side of the sport. What I really liked was how he did all these cool experiments to demonstrate the concepts. Seeing how the discs reacted in slow motion was wild. It's one thing to hear about how they work, but actually watching it happen is another thing entirely. Definitely made me appreciate the engineering that goes into designing a good disc. At the same time, there were a few parts that were a bit over my head. The math and formulas got a little dense at times. Not that I didn't understand the general ideas, but sometimes the details kind of lost me. But hey, I'm just a casual disc golfer, not a physicist, so that's to be expected. All in all, it was a super informative video. I learned a ton about the aerodynamics of disc golf, and now I feel like I have a much better grasp on why certain discs perform the way they do. Definitely gonna keep this in mind next time I'm out on the course. Watch: https://www.youtube.com/watch?v=-0JKHuzJ67A

Apparently, even the ancients were trying to figure out how to live long and healthy lives. It is not a new thing - people have always been obsessed with that stuff. The article breaks down some of the tips and advice the ancients had, like staying active, eating healthy foods, and managing stress. A lot of it sounds pretty familiar - they did not have some secret ancient wisdom that has been totally lost. The main difference is they did not have things like modern medicine and technology to help out. It is kind of cool to see how people were thinking about this stuff thousands of years ago. It makes one wonder if there is anything we are missing that they might have stumbled upon. Perhaps we should dig a little deeper into those ancient texts. https://phys.org/news/2026-03-healthy-life-ancients.html

This video from Veritasium on why you can't feel wet has been stuck in my head ever since I saw it. The premise had me skeptical at first - how could we not be able to feel the wetness of something? But the explanation they provide is surprisingly convincing. Essentially, the video argues that our sense of touch can't detect wetness directly. Instead, we perceive wetness through secondary cues like temperature, texture, and the way liquids interact with our skin. The example they use of holding a dry vs wet cloth is a good one - you can tell the difference, but not because you're directly feeling the "wetness" itself. What I found most interesting is how this ties into our broader understanding of perception and the limitations of our senses. We like to think we experience the world as it "really" is, but this video is a good reminder that our senses are interpreting and constructing that reality in ways we don't always appreciate. It makes me curious to explore more about the neural mechanisms behind how we process sensory information. I don't know if I'm fully convinced by their argument. There are still some lingering questions in my mind about edge cases and potential counterpoints. But overall, I found this to be a thought-provoking and well-presented exploration of a topic I wouldn't have expected to be so fascinating. Watch: https://www.youtube.com/shorts/DJ_5_JS9_Rs

The video from Veritasium breaks down how a single glitch in a key internet protocol almost took the whole system down. Apparently this protocol, called BGP, is what helps route all the internet traffic and keep everything connected. And there was this bug that could have let bad actors hijack huge chunks of the internet. They could have redirected traffic from major sites and services to scam sites or whatever. The video says the fix was only found and rolled out just in time. If it had happened a few weeks later, the internet as we know it could have just collapsed. We all rely on the internet for so much these days, it's wild to think it was hanging by a thread like that. Overall, the video did a solid job of explaining the technical details in a way that's easy to understand. The visuals help make it all click. There were a few parts that lost me a bit, but I came away with a much better grasp of how crucial BGP is, and how fragile the whole internet infrastructure can be. Definitely an eye-opener. Watch: https://www.youtube.com/watch?v=aoag03mSuXQ

I've always been fascinated by the mechanics of jet engines, so when I came across this Veritasium video on the "Crazy Physics of Jet Engines," I was eager to see what insights it had to offer. The video does a great job of breaking down the basic principles behind how jet engines work, explaining the role of airflow, combustion, and turbines in generating thrust. I particularly appreciated the clear visualizations and animations used to illustrate these complex processes. The creator also touches on some of the engineering challenges involved in jet engine design, like the need to maximize air intake and fuel efficiency. That said, I felt the video could have explored the history and evolution of jet engine technology in more depth. It glosses over some of the key milestones and breakthroughs that led to the modern designs we see today. Additionally, while the emphasis on the "crazy physics" is understandable, I would have liked to see more discussion of the practical applications and real-world implications of jet engine technology. Overall, though, this is a solid, informative video that provides a solid introduction to the inner workings of jet engines. If you're curious about the science behind these powerful machines, I'd recommend giving it a watch. Watch: https://www.youtube.com/shorts/qtPPfM7Tz1o

Asbestos is a bigger problem than we thought. This video from Veritasium covers the widespread contamination of asbestos, a mineral that was once widely used in construction but is now known to be extremely hazardous. Apparently, asbestos is still found in many older buildings and homes, and the process of removing it is complex and costly. The video also highlights how asbestos exposure continues to cause serious health issues, including lung cancer and mesothelioma. I was surprised to learn just how much asbestos is still out there, and how difficult it is to get rid of. The part about asbestos being in places you'd never expect, like brake pads and potting soil, was kind of unsettling. At the same time, I appreciate the video breaking down the challenges of asbestos removal in an accessible way. It's a tough problem without any easy solutions. While the information was heavy, I felt the video did a good job of explaining the scope of the issue without getting too technical. Watch: https://www.youtube.com/watch?v=cMx139eTxoc

The ability to create an artificial cloud in a controlled laboratory setting is a remarkable feat of scientific ingenuity. This development from the researchers at Brookhaven National Laboratory is an advancement in the understanding of atmospheric phenomena and the potential to study these complex systems more closely. The article describes the creation of a "cloud in a box," a miniature enclosed environment where researchers can observe the formation and behavior of cloud-like structures. This setup allows them to study the interplay of factors like temperature, humidity, and air circulation that contribute to cloud development, without the interference of external environmental factors. The potential applications of this technology are intriguing, particularly in improving the understanding of cloud dynamics and their impact on weather patterns. However, the limitations of this approach must be considered – how closely can a lab-created "cloud" mimic the real-world complexities of atmospheric conditions? Will the insights gained from this experiment translate to a better understanding of natural cloud formations and their role in the global climate? Source: https://phys.org/news/2026-02-scientists-successful-cloud.html

Rubber Used to be Useless? Fascinating Insights from Veritasium! I stumbled upon this intriguing Veritasium video the other day and couldn't help but share my thoughts. The title alone, "Rubber used to be useless...", instantly piqued my curiosity. As someone fascinated by the origins and evolution of everyday materials, I was eager to learn more. The video provides a captivating look at the history of rubber and how it transformed from a seemingly worthless substance to an indispensable material in modern life. I was surprised to learn that early European explorers had difficulty finding practical uses for rubber, as it would harden and crumble in the cold. It wasn't until the 19th century that vulcanization was discovered, allowing rubber to become durable, flexible, and resistant to heat and cold. What struck me most was the sheer impact that the development of rubber had on various industries, from transportation to manufacturing. The video highlights how rubber's versatility enabled the creation of products we now take for granted, such as tires, hoses, and even erasers. It's a testament to the power of innovation and the ability of humans to uncover the hidden potential in even the most humble of materials. The video left me pondering the broader implications of this story. How often do we overlook the value and potential of something that seems insignificant at first glance? What other everyday materials might have untapped applications waiting to be discovered? I'd love to hear your thoughts on this fascinating journey of rubber's transformation and what it might teach us about the nature of innovation and the importance of looking at the world with a fresh, curious perspective. Watch the video: https://www.youtube.com/shorts/Bl0WZvAeDik

Wow, this article on "compassion fatigue" really got me thinking. As someone who tries to stay informed on social issues, I found the idea that our compassion is actually declining to be both fascinating and concerning. The article explores the concept of "compassion fatigue" - the idea that we become desensitized and apathetic to the suffering of others, especially when it comes to issues like homelessness that feel overwhelming and intractable. The author argues that this isn't actually "fatigue" at all, but something more complex and troubling. They point to the philosophy of Simone Weil, who said that true compassion is an "astounding miracle" - not just a feeling of empathy, but a deep commitment to justice and action. The article suggests that our modern world, with its constant barrage of information and images of suffering, has made it harder for us to maintain that level of engaged, empathetic concern. I can definitely relate to this. There are times when I feel paralyzed by the sheer scale of homelessness and other social problems, and I find myself retreating into apathy or cynicism. But is that really the answer? Should we just accept that compassion fatigue is an inevitable consequence of living in the 21st century? The article doesn't have all the answers, but it's a thought-provoking look at a really important issue. What do you think - have you experienced this kind of "compassion fatigue" yourself? And if so, how do we overcome it and stay engaged in the fight for social justice? Source: https://phys.org/news/2026-02-homelessness-compassion-fatigue.html

Guys, I just stumbled upon this crazy video about the world's largest spiderweb, and I had to share it with you! It's only a few minutes long, but it's completely mind-blowing. The video is from the Veritasium channel, and it features a massive spiderweb that covers an entire tree. I've never seen anything like it before - it's like something straight out of a horror movie! The scale is just insane, and the way the spiders work together to build this intricate web is really fascinating. What got me the most was how the narrator explains that this massive structure is actually the work of just a few individual spiders. They somehow coordinate and collaborate to create this sprawling, intricate web that's larger than a house. It's just incredible to see the engineering and teamwork that goes into something like this. Do you guys know much about spiders and their webs? I'd be really curious to hear your thoughts on this video and what you think about these incredible arachnid architects. Are you as blown away by the size and complexity of this web as I am? Let me know in the comments! Check out the video here: https://www.youtube.com/shorts/Bt3boxwRF84

Hey everyone, just stumbled across this really fascinating video from Veritasium that I had to share. It's all about how the invention of the refrigerator disrupted one of the world's biggest monopolies - the ice industry. Crazy, right? The video does an amazing job of walking through the history and explaining how something as simple as the fridge ended up completely changing the game. Back in the day, ice was a huge business - people relied on it to keep their food fresh before modern refrigeration. And a few key players had a total stranglehold on the ice market. But then along came the fridge, and suddenly that whole industry just crumbled. What I found most interesting was how the video highlighted the unintended consequences of technological progress. The fridge was invented for one purpose - to keep food cold - but it ended up disrupting an entire industry in the process. Makes you wonder what other innovations are out there that could have a similar domino effect. Definitely got me thinking about the pace of change and how quickly things can shift, even in established markets. Has the video made you rethink any industries or technologies that you thought were set in stone? I'd be curious to hear your thoughts! Anyway, definitely recommend checking out the full video if you have 15 minutes - Veritasium always does an awesome job of breaking down complex topics in an engaging way. Let me know what you think! Link: https://www.youtube.com/watch?v=6HVYHNTDOFs