7 Things You Should Never Clean With Vinegar

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Vinegar might seem like the answer to every cleaning conundrum, especially since it’s found in several of our favorite homemade cleaning solutions. But it’s not always the best choice. Vinegar is a fantastic multi-purpose cleaner, but it’s not a miracle solvent that works on every type of stain or messy situation. And while cleaning with vinegar is affordable, eco-friendly, and relatively safe, there are still some surfaces and materials that it can damage. Save yourself from cleaning regrets—never clean these seven things with vinegar.

Granite and Marble Surfaces

Over time, the acid in vinegar can wear away at the finishes on your countertop. While these surfaces are known for their durability, they’re also expensive, so you want to keep them looking new for as long as possible. Repeatedly using a vinegar-based, all-purpose cleaner can slowly fade that smooth shine. The easiest way to keep stone clean is to wipe it down with warm water and a few drops of dish soap. Easy, right?

Tech Devices

It might be tempting to grab a microfiber cloth and some vinegar to scrub away those smudges on your touchscreen devices. But it can ruin the coating on the screen. Since tech screens can be fickle, experts recommend using the cleaning formula specifically formulated for your laptop, phone, or tablet. Wiping down the device with a clean, dry microfiber will often do the trick.

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Anything with Bleach

It’s generally best to avoid mixing chemicals, which is serious business and can be unsafe. Bleach and ammonia can create a toxic gas, and the same goes for vinegar–an acid that releases toxic chlorine vapors when mixed with bleach. Separating your cleaning products will keep your home clean and safe.

Waxed Furniture and Flooring

As with stone countertops, using vinegar repeatedly on waxed wooden surfaces can cause the finish to wear over time. While some pros recommend using vinegar to clean floors and remove grime from furniture, exercise caution. Consider your specific items and avoid leaving water or moisture on wooden surfaces. Be careful when cleaning any finished wood surface and start with the least harmful method first.

Certain Parts of the Dishwasher

Vinegar is known for its cleaning and deodorizing properties, so adding a cup of white vinegar to the top rack is a popular tip for cleaning a dishwasher. However, the acid in vinegar can break down the rubber seal of a dishwasher and other appliances over time. Check your appliance’s manual to see if it’s made with natural rubber, which can handle vinegar. If not, try a more diluted vinegar solution and run a normal cycle so the vinegar never sits on the rubber parts.

Pet Messes

While vinegar is a great deodorizer, you don’t want to use it to clean up pet accidents. While it might remove the odors you smell, pets will still be able to sniff out past accidents and continue to mark these spots again and again. Instead of vinegar, use an enzymatic cleaner. It will kill the odors you smell and the ones only detectable by your pet.

Deteriorating Grout

While you can probably get away with using vinegar to clean your grout every now and then, it’s best to avoid it. Over time, caustic cleaners like vinegar and bleach can wear away the seal on grout and tile, causing them to age and deteriorate more quickly. For the safest way to clean grout, start with the mildest cleaning method and work your way up from there.

By: Caylin Harris

Source: Things You Should Never Clean with Vinegar


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The Global Chemicals for Cosmetics and Toiletries Market is forecast to grow by $9871.79 mn during 2022-2027,… GlobeNewswire (Press Release)

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Future Technology: 22 Ideas About To Change Our World

Technology is rapidly improving, offering new innovations and revolutionary projects every year. At any given moment, scientists, engineers and some very sharp minds are out there creating the next piece of future technology that will change our lives. It can feel like scientific progress is steady but we have lived through a period of immense technological improvement in the last half century.

There are innovations happening right now that are ripped straight from the pages of science-fiction. Whether that is robots that can read minds, NFTS, bionic eyes, smartwatches that are powered by your sweat or plenty of other mind-blowing technology, there is a lot to expect from the world of future technology. Below we’ve picked out some of the biggest and most interesting ideas.

Brain reading robots

No longer a science fiction trope, the use of brain reading technology has improved hugely in recent years. One of the most interesting and practical uses we’ve seen tested so far comes from researchers at the Swiss Federal Institute of Technology Lausanne (EPFL).

Thanks to a machine-learning algorithm, a robot arm and a brain-computer interface, these researchers have managed to create a means for tetraplegic patients (those who can’t move their upper or lower body) to interact with the world.

In tests, the robot arm would perform simple tasks like moving around an obstacle. The algorithm would then interprets signals from the brain using an EEG cap and automatically determine when the arm had made a move that the brain considered incorrect, for example moving too close to the obstacle or going too fast.

Over time the algorithm can then adjust to the individuals preferences and brain signals. In the future this could lead to wheelchairs controlled by the brain or assistance machines for tetraplegic patients.

3D printed bones

3D printing is an industry promising everything from cheap house building through to affordable rugged armour, but one of the most interesting uses of the technology is the building of 3D printed bones.

The company Ossiform specialises in medical 3D printing, creating patient-specific replacements of different bones from tricalcium phosphate – a material with similar properties to human bones.

Using these 3D printed bones is surprisingly easy. A hospital can perform an MRI which is then sent to Ossiform who create a 3D model of the patient-specific implant that is needed. The surgeon accepts the design and then once it is printed, it can be used in surgery.

What is special about these 3D printed bones is that because of the use of tricalcium phosphate, the body will remodel the implants into vascularised bone. That means they will enable the full restoration of function that the bone it is replacing had. To achieve the best integration possible, the implants are of a porous structure and feature large pores and canals for cells to attach to and reform bone.

Lab-made dairy products

You’ve heard of cultured “meat” and Wagyu steaks grown cell by cell in a laboratory, but what about other animal-based foodstuffs? A growing number of biotech companies around the world are investigating lab-made dairy, including milk, ice-cream, cheese and eggs. And more than one think they’ve cracked it.

The dairy industry is not environmentally friendly, not even close. It’s responsible for 4 per cent of the world’s carbon emissions, more than air travel and shipping combined, and demand is growing for a greener splash to pour into our tea cups and cereal bowls.

Compared with meat, milk isn’t actually that difficult to create in a lab. Rather than grow it from stem cells, most researchers attempt to produce it in a process of fermentation, looking to produce the milk proteins whey and casein. Some products are already at market in the US, from companies such as Perfect Day, with ongoing work focused on reproducing the mouthfeel and nutritional benefits of regular cow’s milk.

Beyond that, researchers are working on lab-produced mozzarella that melts perfectly on top of a pizza, as well other cheeses and ice-cream.

Hydrogen planes

Carbon emissions are a huge concern when it comes to commercial flights, but there is a potential solution and it has received a lot of funding.

A £15 million UK project has unveiled plans for a hydrogen-powered plane. This project is known as Fly Zero and is being led by the Aerospace Technology Institute in conjunction with the UK government.

The project has come up with a concept for a mid-size plane powered completely by liquid hydrogen. It would have the capacity to fly roughly 279 passengers halfway around the world without stopping.

If this technology could be actualised, it could mean a zero-carbon flight with no stops between London and Western America or London to New Zealand with a single stop.

Digital “twins” that track your health

In Star Trek, where many of our ideas of future technology germinated, human beings can walk into the medbay and have their entire body digitally scanned for signs of illness and injury. Doing that in real life would, say the makers of Q Bio, improve health outcomes and alleviate the load on doctors at the same time.

The US company has built a scanner that will measure hundreds of biomarkers in around an hour, from hormone levels to the fat building up in your liver to the markers of inflammation or any number of cancers. It intends to use this data to produce a 3D digital avatar of a patient’s body – known as a digital twin – that can be tracked over time and updated with each new scan.

Q Bio CEO Jeff Kaditz hopes it will lead to a new era of preventative, personalised medicine in which the vast amounts of data collected not only help doctors prioritise which patients need to be seen most urgently, but also to develop more sophisticated ways of diagnosing illness. Read an interview with him here.

Virtual reality universes

After making its dramatic name change, the company once known as Facebook has become Meta. This marks Zuckerberg and his huge team’s move into the metaverse – an embodied internet mostly accessed through virtual and augmented reality.

As part of this move, we will start to see Meta putting more time into equipment for accessing this new world – mostly in VR. Announced back in 2021, Meta has been developing a new headset under the title ‘Project Cambria’.

Unlike the brand’s previous VR ventures like the Oculus Quest 2, this won’t be a device for the average consumer, instead looking to offer the best VR experience they can make.

The Cambria has been reported to be focused on advanced eye and face tracking (to improve accuracy of avatars and your in-game movements), a higher resolution, increased field-of-view and even trying to make the headset significantly smaller.

Between Meta, Google, Sony and plenty of other big tech companies, VR is getting lots of funding right now and will be seeing drastic improvements in the next couple of years.

Direct air capture

Through the process of photosynthesis, trees have remained one of the best ways to reduce the levels of CO2 in the atmosphere. However, new technology could perform the same role as trees, absorbing carbon dioxide at greater levels while also taking up less land.

This technology is known as Direct Air Capture (DAC). It involves taking carbon dioxide from the air and either storing the CO2 in deep geological caves under ground, or using it in combination with hydrogen to produce synthetic fuels.

While this technology has great potential, it has a lot of complications right now. There are now direct air capture facilities up and running, but the current models require a huge amount of energy to run. If the energy levels can be reduced in the future, DAC could prove to be one of the best technological advances for the future of the environment.

Green funerals

Sustainable living is becoming a priority for individuals squaring up to the realities of the climate crisis, but what about eco-friendly dying? Death tends to be a carbon-heavy process, one last stamp of our ecological footprint. The average cremation reportedly releases 400kg of carbon dioxide into the atmosphere, for example. So what’s a greener way to go?

In Washington State in the US, you could be composted instead. Bodies are laid in chambers with bark, soil, straw and other compounds that promote natural decomposition. Within 30 days, your body is reduced to soil that can be returned to a garden or woodland. Recompose, the company behind the process, claims it uses an eighth of the carbon dioxide of a cremation.

An alternative technology uses fungi. In 2019, the late actor Luke Perry was buried in a bespoke “mushroom suit” designed by a start-up called Coeio. The company claims its suit, made with mushrooms and other microorganisms that aid decomposition and neutralise toxins that are realised when a body usually decays.

Most alternative ways of disposing of our bodies after death are not based on new technology; they’re just waiting for societal acceptance to catch up. Another example is alkaline hydrolysis, which involves breaking the body down into its chemical components over a six-hour process in a pressurised chamber. It’s legal in a number of US states and uses fewer emissions compared with more traditional methods.

Artificial eyes

Bionic eyes have been a mainstay of science fiction for decades, but now real-world research is beginning to catch up with far-sighted storytellers. A raft of technologies is coming to market that restore sight to people with different kinds of vision impairment.

In January 2021, surgeons implanted the world’s first artificial cornea into a bilaterally blind, 78-year-old man. When his bandages were removed, the patient could read and recognise family members immediately. The implant also fuses naturally to human tissue without the recipient’s body rejecting it.

Likewise in 2020, Belgian scientists developed an artificial iris fitted to smart contact lenses that correct a number of vision disorders. And scientists are even working on wireless brain implants that bypass the eyes altogether.

Researchers at Montash University in Australia are working on trials for a system whereby users wear a pair of glasses fitted with a camera. This sends data directly to the implant, which sits on the surface of the brain and gives the user a rudimentary sense of sight.

Airports for drones and flying taxis

Our congested cities are in desperate need of a breather and relief may come from the air as opposed to the roads. Plans for a different kind of transport hub – one for delivery drones and electric air-taxis – are becoming a reality, with the first Urban Air Port receiving funding from the UK government.

It’s being built in Coventry. The hub will be a pilot scheme and hopefully a proof of concept for the company behind it. Powered completely off-grid by a hydrogen generator, the idea is to remove the need for as many delivery vans and personal cars on our roads, replacing them with a clean alternative in the form of a new type of small aircraft, with designs being developed by Huyundai and Airbus, amongst others.

Infrastructure is going to be important. Organisations like the Civil Aviation Authority are looking into the establishment of air corridors that might link a city centre with a local airport or distribution centre.

Energy storing bricks

Scientists have found a way to store energy in the red bricks that are used to build houses.

Researchers led by Washington University in St Louis, in Missouri, US, have developed a method that can turn the cheap and widely available building material into “smart bricks” that can store energy like a battery.

Although the research is still in the proof-of-concept stage, the scientists claim that walls made of these bricks “could store a substantial amount of energy” and can “be recharged hundreds of thousands of times within an hour”.

The researchers developed a method to convert red bricks into a type of energy storage device called a supercapacitor.

This involved putting a conducting coating, known as Pedot, onto brick samples, which then seeped through the fired bricks’ porous structure, converting them into “energy storing electrodes”.

Iron oxide, which is the red pigment in the bricks, helped with the process, the researchers said.

Sweat powered smartwatches

Engineers at the University of Glasgow have developed a new type of flexible supercapacitor, which stores energy, replacing the electrolytes found in conventional batteries with sweat.

It can be fully charged with as little as 20 microlitres of fluid and is robust enough to survive 4,000 cycles of the types of flexes and bends it might encounter in use.

The device works by coating polyester cellulose cloth in a thin layer of a polymer, which acts as the supercapacitor’s electrode.

As the cloth absorbs its wearer’s sweat, the positive and negative ions in the sweat interact with the polymer’s surface, creating an electrochemical reaction which generates energy.

“Conventional batteries are cheaper and more plentiful than ever before but they are often built using unsustainable materials which are harmful to the environment,” says Professor Ravinder Dahiya, head of the Bendable Electronics and Sensing Technologies (Best) group, based at the University of Glasgow’s James Watt School of Engineering.

“That makes them challenging to dispose of safely and potentially harmful in wearable devices, where a broken battery could spill toxic fluids on to skin.

“What we’ve been able to do for the first time is show that human sweat provides a real opportunity to do away with those toxic materials entirely, with excellent charging and discharging performance.

Self-healing ‘living concrete’

Scientists have developed what they call living concrete by using sand, gel and bacteria.

Researchers said this building material has structural load-bearing function, is capable of self-healing and is more environmentally friendly than concrete – which is the second most-consumed material on Earth after water.

The team from the University of Colorado Boulder believe their work paves the way for future building structures that could “heal their own cracks, suck up dangerous toxins from the air or even glow on command”.

Living robots

Tiny hybrid robots made using stem cells from frog embryos could one day be used to swim around human bodies to specific areas requiring medicine, or to gather microplastic in the oceans.

“These are novel living machines,” said Joshua Bongard, a computer scientist and robotics expert at the University of Vermont, who co-developed the millimetre-wide bots, known as xenobots.

“They’re neither a traditional robot nor a known species of animal. It’s a new class of artefact: a living, programmable organism.”

Internet for everyone

We can’t seem to live without the internet (how else would you read sciencefocus.com?), but still only around half the world’s population is connected. There are many reasons for this, including economic and social reasons, but for some the internet just isn’t accessible because they have no connection.

Google is slowly trying to solve the problem using helium balloons to beam the internet to inaccessible areas, while Facebook has abandoned plans to do the same using drones, which means companies like Hiber are stealing a march.

They have taken a different approach by launching their own network of shoebox-sized microsatellites into low Earth orbit, which wake up a modem plugged into your computer or device when it flies over and delivers your data.

Their satellites orbit the Earth 16 times a day and are already being used by organisations like The British Antarctic Survey to provide internet access to very extreme of our planet.

Coffee power

London’s coffee industry creates over 200,000 tonnes of waste every year, so what do we do with it? Entrepreneur Arthur Kay’s big idea is to use his company, bio-bean, to turn 85 per cent of coffee waste into biofuels for heating buildings and powering transport. Already the world’s largest recycler of coffee waste, the company collects coffee grounds from large chains and restaurants as well as smaller coffee shops, and transports them to its processing plant in Cambridgeshire.

There, the grounds are dried and processed before being used to create products such as pellets or logs for biofuel, bio plastics or flavourings.

Drown forest fires in sound

Forest fires could one day be dealt with by drones that would direct loud noises at the trees below. Since sound is made up of pressure waves, it can be used to disrupt the air surrounding a fire, essentially cutting off the supply of oxygen to the fuel. At the right frequency, the fire simply dies out, as researchers at George Mason University in Virginia recently demonstrated with their sonic extinguisher. Apparently, bass frequencies work best.

The AI scientist

Cut off a flatworm’s head, and it’ll grow a new one. Cut it in half, and you’ll have two new worms. Fire some radiation at it, and it’ll repair itself. Scientists have wanted to work out the mechanisms involved for some time, but the secret has eluded them. Enter an AI coded at Tufts University, Massachusetts. By analysing and simulating countless scenarios, the computer was able to solve the mystery of the flatworm’s regeneration in just 42 hours. In the end it produced a comprehensive model of how the flatworm’s genes allow it to regenerate.

Although humans still need to feed the AI with information, the machine in this experiment was able to create a new, abstract theory independently – a huge step towards the development of a conscious computer, and potentially a landmark step in the way we carry out research.

Car batteries that charge in 10 minutes

Fast-charging of electric vehicles is seen as key to their take-up, so motorists can stop at a service station and fully charge their car in the time it takes to get a coffee and use the toilet – taking no longer than a conventional break.

But rapid charging of lithium-ion batteries can degrade the batteries, researchers at Penn State University in the US say. This is because the flow of lithium particles known as ions from one electrode to another to charge the unit and hold the energy ready for use does not happen smoothly with rapid charging at lower temperatures.

However, they have now found that if the batteries could heat to 60°C for just 10 minutes and then rapidly cool again to ambient temperatures, lithium spikes would not form and heat damage would be avoided.

The battery design they have come up with is self-heating, using a thin nickel foil which creates an electrical circuit that heats in less than 30 seconds to warm the inside of the battery. The rapid cooling that would be needed after the battery is charged would be done using the cooling system designed into the car.

Their study, published in the journal Joule, showed they could fully charge an electrical vehicle in 10 minutes.

Artificial neurons on silicon chips

Scientists have found a way to attach artificial neurons onto silicon chips, mimicking the neurons in our nervous system and copying their electrical properties.

“Until now neurons have been like black boxes, but we have managed to open the black box and peer inside,” said Professor Alain Nogaret, from the University of Bath, who led the project.

“Our work is paradigm-changing because it provides a robust method to reproduce the electrical properties of real neurons in minute detail.

“But it’s wider than that, because our neurons only need 140 nanowatts of power. That’s a billionth the power requirement of a microprocessor, which other attempts to make synthetic neurons have used.

Researchers hope their work could be used in medical implants to treat conditions such as heart failure and Alzheimer’s as it requires so little power.

Floating farms

The UN predicts there will be two billion more people in the world by 2050, creating a demand for 70 per cent more food. By that time, 80 per cent of us will be living in cities, and most food we eat in urban areas is brought in. So farms moored on the sea or inland lakes close to cities would certainly reduce food miles.

But how would they work? A design by architect Javier Ponce of Forward Thinking Architecture shows a 24m-tall, three-tiered structure with solar panels on top to provide energy. The middle tier grows a variety of veg over an area of 51,000m2, using not soil but nutrients in liquid. These nutrients and plant matter would drop into the bottom layer to feed fish, which are farmed in an enclosed space.

A single Smart Floating Farm measuring 350 x 200m would produce an estimated 8.1 tonnes of vegetables and 1.7 tonnes of fish a year. The units are designed to bolt together, which is handy since we’ll need a lot of them: Dubai, for instance, imports 11,000 tonnes of fruit and veg every day.

Pleistocene Park

Russian scientist Sergey Zimov hopes to recreate a 12,000-year-old environment in a wildlife park for herbivores like wild horse and bison, with extinct megafauna like mammoths replaced by modern hybrids. Zimov will study the impact of the animals on environment and climate.

Source: Future technology: 22 ideas about to change our world | BBC Science Focus Magazine


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Eco-friendly Plastics Made From Sugars Boast “Unprecedented” Properties

The search for sustainable alternatives to common plastics has researchers investigating how their building blocks can be sourced from places other than petroleum, and for scientists behind a promising new study, this has led them straight to the sweet stuff.

The team has produced a new form of plastic with “unprecedented” mechanical properties that are maintained throughout standard recycling processes, and managed to do so using sugar-derived materials as the starting point.

The breakthrough comes from scientists at the University of Birmingham in the UK and Duke University in the US, who in their pursuit of more sustainable plastics turned to sugar alcohols. These organic compounds carry a similar chemical structure to the sugars they’re derived from, which the scientists found can bring some unique benefits to the production of plastic.

The two compounds in question are isoidide and isomannide, which both feature rigid rings of atoms that the scientists were able to use as building blocks for a new family of polymers. The polymer based on isoidide featured a stiffness and malleability like that of typical plastics, and strength comparable to high-grade engineering plastics.

The polymer made from isomannide, meanwhile, had similar strength and toughness, but with a high degree of elasticity that allowed it to recover its shape after deformation. The characteristics of both were maintained after being subjected to the common recycling methods of pulverization and thermal processing.

The team used computer modeling to study how the unique spatial arrangement of atoms within the compounds afford them these different properties, a discipline known as stereochemistry. As a next step, the scientists created plastics using both building blocks, which enabled them to tune the mechanical properties and degradation rates, independently of one another.

This raises the prospect of creating sustainable plastics with desired degradation rates, without impacting on their mechanical performance. Our findings really demonstrate how stereochemistry can be used as a central theme to design sustainable materials with what truly are unprecedented mechanical properties,” said Duke University professor Dr Matthew Becker.

The team has filed a patent application for the technology and is on the hunt for industrial partners to help commercialize it. The hope is that the sugar-based plastics can offer a more sustainable option not just in terms of production, but also their disposal, with petroleum-based plastics sometimes taking centuries to break down.

By: Nick Lavars

Nick has been writing and editing at New Atlas for over six years, where he has covered everything from distant space probes to self-driving cars to oddball animal science. He previously spent time at The Conversation, Mashable and The Santiago Times, earning a Masters degree in communications from Melbourne’s RMIT University along the way.

Source: Eco-friendly plastics made from sugars boast “unprecedented” properties


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