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You remember when people were complaining that their robot vacuum would drive itself off the stairs, or notoriously spread pet fecal matter around the house because the vacuums were just not equipped enough to deal with these scenarios? Or the vacuums being so thick they would just dodge sofas instead of going underneath them? That’s what we in the tech realm refer to as first-generation woes. With newer generations, products get better at solving problems that first-gen versions never anticipated. Roborock’s Qrevo Slim aims to usher in this new generation of robot vacuuming with both better design as well as state-of-the-art tech.
The Qrevo Slim, as its name suggests, measures just over 8cm or 3 inches tall, allowing it to cruise underneath sofas without worrying about headroom. The slim design is also backed by Roborock’s most advanced 3D mapping and navigation system. Dubbed the StarSight Autonomous System, this tech is so good, Roborock claims it’s better at navigating than the LDS seen on most vacuums today.
Ultra-Thin Design: Accessing Every Nook and Cranny
At just 8.2cm or 3.2 inches tall, the Qrevo Slim has the kind of vertical clearance that most robot vacuums wish they had. Slim enough to easily slip under beds, couches, and other low-clearance furniture, the robot vacuum covers more ground than your traditional vac, reaching tight spots that often go ignored.
Notably, the Qrevo Slim’s upper profile is super-slick, eschewing that bump you’ll find on most robot vacuums where most of the LiDAR and imaging tech is located. This slim upper surface means the vacuum has lesser problems packing into tighter spaces to clean everything from pet hair, food crumbs, dust, or any dirt that could be languishing under your furniture for months.
StarSight Autonomous System: The ‘Star’ of the Show
Roborock’s StarSight Autonomous System is perhaps its most significant achievement, using not one but 2 LiDAR sensors to power its navigation and obstacle-avoidance capabilities. This advanced system leverages two 3D Time-of-Flight (ToF) sensors to capture more than 1 million 3D points per second. Unlike traditional Laser Distance Sensors (LDS) seen on most current vacuum cleaners, which measure only 2D linear distances (like how close or far objects are), StarSight’s 3D mapping senses depth and height, giving the vacuum full automotive-grade spatial awareness.
With a whopping 38,400 Hz sampling rate and 21,600 sensor points, StarSight processes information at 21 times the speed of LDS. This faster, more detailed mapping allows the Qrevo Slim to detect as many as 73 types of obstacles, from toys to cables, adapting instantly without doing that awkward “bump and turn” that other vacuum cleaners do. This means the vacuum has a better sense of its surroundings (even when people are walking around) so it cleverly avoids obstacles instead of waiting till the last minute to bump into them.
Qrevo Slim: Better Navigation than Some Autonomous Cars
The Roborock Qrevo Slim’s navigation features rival those of some autonomous cars, adapting smartly to varied home environments. Its SmartPlan creates detailed 3D maps, allowing it to navigate room layouts precisely, minimizing time and maximizing coverage. With DirTect, the Qrevo Slim automatically detects and boosts suction in high-traffic, dirt-prone areas, delivering targeted cleaning where it’s needed most—like entryways or kitchens where dirt tends to collect.
For pet lovers, robot vacuum can be used as a pet monitor too. The Pet Snaps feature can be toggled to have the Qrevo Slim go check in on your pet around the house. Once it locates the pet, you can capture snapshots of your furry friend. This feature kicks in during the Qrevo Slim’s cleaning cycle, although it only works with one pet at a given time.
Powerful 11,000 Pa Max Suction: A Cleaning Powerhouse
The Roborock Qrevo Slim offers an impressive 11,000 Pa of suction power, making it one of the most powerful robot vacuums on the market. This high suction strength effortlessly picks up fine dust, pet hair, and larger debris, ensuring a deep clean across all floor types. Whether tackling everyday messes or stubborn dirt, this level of suction provides the thorough cleaning performance needed for busy households.
Supporting this power, the Qrevo Slim is equipped with floor and carpet detection along with the Carpet Boost+ system. When moving onto carpets, it automatically increases suction for a deeper clean, lifting dust and dirt embedded in carpet fibers. This intelligent adjustment means each surface gets the right level of attention, maintaining efficiency on hard floors while delivering extra power where it’s most needed.
DuoRoller Riser Brush and Dual Spinning Mops: Clean and Adapt
The DuoRoller Riser Brush is designed with counter-rotating, all-rubber brushes that capture everything from pet hair to fine dust without tangling. These dual brushes work together to lift debris effectively, providing full coverage across both hard floors and carpets. When transitioning between surfaces, the brushes auto-lift, ensuring optimal performance without scratching or over-brushing on sensitive flooring.
Complementing the brush system, the Qrevo Slim’s dual spinning mops offer thorough mopping action for hard floors. These mops apply steady, even pressure for a polished finish, removing sticky messes and light stains in one pass. Like the DuoRoller, the mops lift automatically when the vacuum moves onto carpets, keeping the damp mop surface from ever wetting your carpet.
FlexiArm Side Brush and Mop: Clean in Every Corner
The FlexiArm side brush and mop system is the Qrevo Slim’s answer to ensuring that dust gets swept from corners – not pushed into them. The FlexiArm brushes reach along the edges and around furniture legs, directing dirt toward the main suction. The mops, meanwhile, apply steady pressure for a polished finish for comprehensive coverage.
This focus on edge-to-edge cleaning eliminates the need for touch-ups in hard-to-reach areas, enhancing the vacuum’s efficiency and reducing your manual cleaning time. No more wiping down corners after your vacuum conveniently leaves a trail of dust along the edge of each floor.
Multifunctional Dock 3.0: Your All-in-One Cleaning Hub
When the Qrevo Slim needs to recharge or self-clean, it makes its way to its Multifunctional Dock. This advanced docking station is equipped with 8-in-1 maintenance functions that automate essential cleaning tasks. With features like hot water mop washing, warm air drying, auto dust emptying, and tank refilling, the dock keeps the vacuum ready for action while minimizing manual upkeep. The automated mop washing and drying system, in particular, ensures that the mops remain sanitary and effective for every cleaning session, removing residue buildup that can impact performance.
The dock’s intelligent dirt detection feature can sense when dust and debris accumulate, automatically emptying the vacuum to keep suction at its peak. Whether for daily cleaning or extensive deep cleans, the Multifunctional Dock 3.0 provides a seamless, self-maintaining system that truly supports a “set it and forget it” lifestyle.
Intuitive Control Through the Roborock App and Built-in Voice Assistant
Roborock makes controlling the Qrevo Slim a breeze with its user-friendly app and built-in voice assistant. The Roborock app allows users to customize cleaning schedules, set no-go zones, and adjust suction power—all from the convenience of their smartphone. With real-time updates, you can monitor the vacuum’s progress, check battery levels, or even pause and resume cleaning on the go. The app’s video monitoring feature also lets pet owners keep an eye on furry friends while the Qrevo Slim cleans, snapping photos or videos during its rounds.
For hands-free convenience, the Qrevo Slim integrates with voice assistants like Alexa, Google Assistant, and Siri, enabling commands like “Start cleaning,” “Return to dock,” or “Clean the living room.” These voice commands make it easy to control the vacuum without lifting a finger. Whether you’re adjusting settings through the app or issuing quick voice commands, Roborock’s intuitive interface ensures you have full control of your cleaning routine with minimal effort.
Our Verdict: The Perfect Next-Gen Robot Vacuum with Zero Flaws
Roborock’s Qrevo Slim redefines what a robot vacuum can accomplish. With industry-first StarSight advanced navigation technology, 11,000 Pa suction, and an ultra-slim build, it combines intelligence with impressive power to reach even the most challenging spots in your home. It’s a cleaning companion that makes cleanliness simple, stylish, and secure.
Ultimately, your smart home appliances should be smart enough that they NEVER need monitoring. The Qrevo Slim proves that by being advanced enough to map and navigate your home better than some self-driving cars, while automatically fine-tuning its cleaning based on floors, rugs, and corners. The Multifunctional Dock 3.0 means the robot vacuum will even automatically charge and clean itself, leaving only one task for you – admiring your spotless floors, along with the occasional pet photo the Qrevo Slim clicks for you!
Chess is a game that has existed for centuries, and it hasn’t really changed much during that time, especially in recent decades. The rules of the game are pretty much the same, which includes “power-ups” that were invented way before the term even showed up in video games. Of course, these moves don’t require any special piece outside of what’s already included in the entire set, but that doesn’t mean we can’t do anything to spruce it up.
This rather elaborate 3D printed design, for example, solves the practical problem of how to represent a pawn that has reached the opposite end and “evolved” into a queen. Sure, you can just try to remember which is which, but wouldn’t it be easier if you had spare queen pieces instead? Better yet, why not just literally evolve the pawn instead, keeping the chess set simple, relatively?
“Queening” is what happens when a pawn is crowned and gains the queen’s large movement powers when it reaches the opposite end of the board. In some cases, when your queen has already been captured, you can simply swap out the pieces. But what if your queen is still there or, by some stroke of luck, you have two pawns that become queens?
This form-changing pawn is one solution that utilizes 3D printing, springs, magnets, and a rather complicated internal design. The challenge was to take a regular-sized pawn and have it not only expand to the size of a queen but also exhibit its features, particularly its flared crown. If you’ve ever watched Transformers, then you might get the idea more or less.
The design underwent several iterations, particularly with the spring mechanism that holds the pieces together and then pushes them out to expand. In the end, the simpler version won out, though the final pawn size was definitely larger than normal. Fortunately, it still fits within international standards, so it probably won’t be contested in an official match.
The 3D-printed pawn uses magnets in its feet to trigger the expansion mechanism, so placing it on any metal surface, like the back row of this custom-made chess board, would make it spring into action, so to speak. It’s definitely a convoluted design for a rather simple problem, but it also adds a bit of excitement and thrill to the game, becoming a goal of its own in addition to actually winning the match.
If you’re staying outside your house or office for a certain period of time, it’s almost always required that you need to bring a power bank. Well, unless you’re one of those people who can live without looking at their smartphone (or your device has a lot of juice). But for the rest of us that need our smartphones almost always, a power bank is attached to our bag as well as our devices. We don’t really think about the design of our power banks but some product designers do.
Designer: Anil Ramesh, Arun Kumar, Joel D’silva (Analogy Design Studio)
The folks over at Analog thought about adding a bit more functionality to the power bank and make it easier for users to carry it around. They focused on “usability, portability, and aesthetics”, the latter of which we don’t really think about as long as it gets the job done. But since we probably hold the power banks alongside our phone, it makes sentse to make it look better and also make it ergonomic.
The power bank has an elongated design rather than the normal brick version that most of them have. It actually looks like a cosmetic case and since that’s the look they’re going for, they added a beauty aspect to it. There’s a mirror inside of the power bank so you get another function for it aside from juicing up your device.
The power banks come in various pastel colors and because of the added mirror function, it might appeal more to women or at least those who need mirror on the go and like the color scheme. The ergonomic function will also be useful for those who may have some grip or muscle issues from holding phones for a long time.
Small pocket-sized flashlights are a dime a dozen these days, especially in the era of EDCs or Everyday Carry bags. Many of these come in rugged designs with bright LED functionality, and most of them utilize rechargeable batteries for convenience. Of course, that implies having some sort of charger always at hand, which requires carrying yet another separate device in your kit.
This EDC tool, however, takes a cue from the now ubiquitous wireless earbuds design, providing a carrying case for the LED flashlight that also serves as its charger. Even better, you can actually use the flashlight while it’s still in its case, removing the need to fiddle with two separate devices when you’re in a hurry.
On its own, the Olight Baton 4 LED flashlight looks pretty ordinary. It has a small cylindrical body typical of tiny flashlights, though it boasts a brightness of 1,300 lumens and a throw distance of 170 meters. It has small LED indicators for its brightness level and remaining battery charge, but that’s pretty much it for the flashlight itself.
The real killer feature of the Baton 4 Premium Edition, however, is its 5,000 mAh charging case. It has a flip-top design that makes it easy to open and close with one hand. You can easily slip in any compatible Olight flashlight for charging, but there’s a special function when used with the Baton 4 or Baton 3 flashlights. You can simply flip open the cover and press the side button to turn on the flashlight while it’s still in the case, so you don’t have to lose time pulling it out and putting it back in again.
The case itself has dual charging functionality. It can charge the flashlight inside or charge a phone like a power bank. This means you don’t really need to carry a separate charger for the flashlight and your phone, as the case can do both. It might sound like a small convenience, but for people who always find themselves outdoors in the dark, intentionally or otherwise, it can be a critical space-saving feature that helps make room for more things inside their EDC bags.