Tag

Vacuum

All articles tagged with #vacuum

tech21 days ago•57 min saved

Dyson’s PencilVac Fluffycones: a playful slimline helper with limited cleaning power

Dyson’s PencilVac Fluffycones is a $599 ultra-slim cordless vacuum with no traditional handle and four fluffy cone rollers designed as a stylish touch‑up companion to a robot vacuum. It’s extremely lightweight and easy to maneuver, with a magnetic dock, but its suction is modest and it won’t clean carpets; at roughly 20–30 minutes of runtime, it’s best for stairs, baseboards, and quick spot-cleaning rather than whole-home cleaning, and it uses Bluetooth with a limited Dyson app.

via theverge.com|

#dyson #hands-on #home-appliance

home-appliances1 month ago•5 min saved

Roborock Offers Up to 40% Off on Top Vacuum and Floor Cleaning Devices

Roborock is offering significant discounts on their F25 Ultra and F25 GT wet and dry vacuums, with savings of up to 40%, featuring advanced cleaning technology, self-cleaning, and powerful suction for versatile floor care, available for a limited time at Amazon and Roborock.

via Gizmodo|

#discount #floor-cleaning #home-appliances

science5 months ago•4 min saved

What Happens to Your Body When Exposed to Space Temperatures Unprotected

Entering space unprotected is extremely dangerous due to the vacuum causing fluids in the body to boil, extreme temperature fluctuations, and exposure to cosmic radiation, which is why astronauts wear specialized suits that provide pressure, temperature regulation, breathable air, and radiation shielding.

via valleyvanguardonline.com|

#cosmic-radiation #ebullism #science

science5 months ago•0 min saved

Consequences of Firing a Gun in Space

Firing a gun in space would not produce a loud bang or recoil like on Earth; instead, the bullet would travel in the direction fired, and the gun would recoil slightly due to conservation of momentum, with no sound because space is a vacuum.

via bgr.com|

#explosion #gunfire #physics

science8 months ago•3 min saved

Study Finds Light Can Exist Without Matter

A recent study using 3D simulations suggests that, according to quantum field theory, light can be generated from nothing in a vacuum through high-powered laser interactions, revealing new possibilities for exploring exotic physics phenomena with upcoming petawatt laser facilities.

via Yahoo|

#light-creation #petawatt-lasers #quantum-physics

shopping2 years ago•9 min saved

"Score Big Savings at Walmart's Secret Sale: Up to 80% Off TVs, Vacuums, and More"

Walmart is hosting a secret weekend sale with discounts of up to 80% on a variety of products including TVs, vacuums, kitchen appliances, tech gadgets, home organization items, jewelry, beauty and wellness products. Some notable deals include a 32-inch LG smart TV for under $150, a bagless vacuum from Eureka for more than half off, a 10-piece set of nonstick cookware for nearly 50% off, and a bestselling Fairywill Electric Toothbrush for $20.

via Yahoo Life|

#deals #sale #shopping

science2 years ago•7 min saved

"Creating Liquid-Solid Superconductors with Ultra-Strong Magnetic Fields"

Researchers have demonstrated, through advanced simulations, that a strong magnetic field can cause quantum fluctuations in a vacuum to materialize into a solid-liquid vortex state with superconducting and superfluid properties. This exotic state, born from the vacuum, exhibits characteristics of both a solid and a liquid, while also displaying superconductivity and superfluidity. The strength of the magnetic field required to achieve this state is approximately 74 exatesla, and at an even higher critical magnetic field strength of 260 exatesla, the vacuum transitions into a state resembling the universe at its earliest stages, where the Higgs field condensate disappears. These findings have implications for understanding the behavior of quantum atmospheres above highly magnetized black holes and the evolution of the universe.

via Phys.org|

#magnetic-fields #quantum-physics #science

science2 years ago•4 min saved

Quantum Electrodynamics Faces Unprecedented Challenge in Groundbreaking Experiment

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have proposed improvements for an upcoming experiment at the European XFEL in Hamburg aimed at detecting quantum fluctuations in vacuum. By manipulating the vacuum fluctuations using an ultra-powerful laser, the researchers hope to observe changes in the polarization of an X-ray flash. The original plan involved shooting one laser flash, but due to the weak signal, the team now plans to shoot two laser pulses simultaneously to increase the chances of detecting the effect. If successful, the experiment could confirm the theory of quantum electrodynamics (QED) or reveal deviations that suggest the existence of new particles and laws of nature.

via SciTechDaily|

#experiment #physics #quantum-electrodynamics-qed

science2 years ago•5 min saved

The Silent Void: Understanding the Absence of Sound in Space

Sound cannot travel through space because it is a vacuum with almost no matter to carry sound waves. In space, there is no air or molecules to vibrate and transmit sound. Therefore, there is no sound or echo in space. However, there are particles in space, and in certain conditions, such as in plasma, sound waves can travel, although at different speeds and wavelengths. NASA has even recorded the sound of a black hole stirring up plasma in deep space, although it is too low in frequency for the human ear to hear.

via The Conversation|

#atmosphere #black-hole #science

shopping2 years ago•12 min saved

"Score the Ultimate Black Friday Home and Kitchen Deals: Up to 70% Off!"

Get ahead of hosting and gifting with the best Black Friday home deals of 2023. From cozy mattresses and pillows to high-powered vacuums and stylish furniture, there are discounts on a wide range of home essentials. Shop popular brands like Casper, Dyson, Keurig, and Henckels for significant savings. Don't miss out on these limited-time deals and start clicking around to upgrade your home before they're gone.

via Yahoo Life|

#bedding #black-friday #home-deals

science2 years ago•4 min saved

Unveiling the Boundaries of Physics through Quantum Vacuum Fluctuations

Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) are preparing an experiment to detect quantum fluctuations in the vacuum, which could provide insights into new laws of physics. The experiment involves using an ultra-powerful laser to manipulate the vacuum fluctuations and change the polarization of an X-ray flash. By shooting two optical laser pulses simultaneously into an evacuated chamber, the researchers hope to increase the chances of measuring the effect. If successful, the experiment could confirm quantum electrodynamics (QED) or reveal deviations that suggest the existence of new particles and undiscovered laws of nature. The first trials are scheduled for 2024 at the European XFEL in Hamburg.

via Phys.org|

#experiment #physics #quantum-fluctuations

space-science2 years ago•2 min saved

The Terrifying Effects of Space on Unprotected Bodies

Contrary to popular media portrayals, being in space without a spacesuit does not result in immediate bodily explosion, freezing, or burning. The lack of atmospheric pressure causes bodily fluids to evaporate, leading to bubbling and potential embolism. Holding your breath is not advised as it can cause lung rupture. Lack of oxygen results in loss of consciousness within 15 seconds and potential death within a minute. If rescued, recovery is complicated by dangerous solar radiation.

via IFLScience|

#lack-of-oxygen #radiation #space

technology2 years ago•1 min saved

"Save Big on Vacuum Cleaners: iRobot, Dyson, and More on Sale Now!"

iRobot's Roomba j5 vacuum and mop combo machines, including the j5+ Combo and j5 Combo, are currently on sale with discounts of up to $200 off. The higher-end j5+ model offers features such as pinpoint no-mop zones and avoidance of common floor obstacles. The j5 Combo is a more budget-friendly option. The Roomba j7+ Combo, which can vacuum, mop, and automatically empty its contents, is also on sale.

via Engadget|

#irobot #mop #roomba

technology2 years ago•2 min saved

iRobot Unveils High-End Roomba Combo Vacuum/Mop with Dock at $1,399

iRobot has launched the Roomba Combo j9+, a premium robot vacuum and mop combo priced at $899 for the Roomba alone and $1,399 for the Roomba and dock. The new model features a 4-Stage Cleaning System, Dual Rubber Brushes, and Dry Rug Intelligence (D.R.I.) to effectively tackle dirt, pet fur, and debris. iRobot emphasizes its software capabilities, including Dirt Detective and SmartScrub, which prioritize cleaning based on need and provide a deep clean. The j9+ is available for presale in Europe, with Canada and the U.S. following suit.

via TechCrunch|

#cleaning-system #irobot #mop

science-and-technology2 years ago•3 min saved

Sound Transmission Breakthrough: Sending Sound Waves Through Vacuum

Scientists have demonstrated that sound can travel through a vacuum under specific circumstances and over extremely small distances. By transmitting sound waves between two zinc oxide crystals and converting them into ripples within an electric field, the researchers were able to transmit disruptions that mirror the frequency of the sound waves. However, the transmission is limited to distances no greater than the wavelength of a single sound wave, and the method is not always reliable. The findings could have implications for the development of microelectromechanical components in technology.

via Livescience.com|

#microelectromechanical-components #piezoelectric-crystals #science-and-technology