Tech
How to make homes cooler without cranking up the air conditioning.
The global temperature is increasing. Temperatures in China’s Xinjiang area and Death Valley, California, both exceeded 50 degrees Celsius. A scorching heatwave is also sweeping throughout the Mediterranean, pushing temperatures beyond 40 degrees Celsius in portions of Italy, Spain, France, and Greece.
The effects of extreme heat in the future will go beyond geographical areas that are typically warm. In fact, according to our most recent research, northern countries like the UK, Norway, Finland, and Switzerland will experience the largest proportional increase in uncomfortable temperatures if global temperatures rise by 2 degrees Celsius.
Future air conditioner usage that is not limited will raise emissions and contribute to increasing global warming. Therefore, it’s crucial to understand the suggested actions to keep your home cool in the face of rising temperatures without further harming the environment.
Block the sun
By erecting a shield between a building and the sun’s beams, heat can be prevented from entering the structure. This can be done in a variety of ways, from external window shutters and awnings to reflecting and ventilated roofs. Using external window shutters can save cooling needs (the thermal energy needed to keep people comfortable) by up to 14%, according to research one of us worked on in Spain.
The interior temperature can be lowered by doing something as simple as painting your roof a light shade. This strategy can cut cooling needs by more than 7% by reflecting the sun’s energy, according to research in Pakistan’s extremely hot cities.
Utilising the shade offered by tree canopies is another successful strategy. According to research conducted in Melbourne, Australia, trees that provide shade for buildings can reduce the surface temperature of the walls by up to 9 degrees Celsius.
Use natural ventilation
Opening windows when the outside temperature drops is one efficient technique to cool down a poorly ventilated building. By doing this, warm air may depart and cooler air can enter.
But in order to further facilitate airflow, other features can be integrated into building design, such as ventilation chimneys and roof vents. These characteristics are frequently observed in hot, dry areas, especially in the Middle East. Wind catchers are towering, chimney-like constructions that were historically used by buildings in this area to capture cool prevailing winds and guide them inside residences. Cool nighttime ventilation can also help a building maintain its coolness throughout the day.
Cooling beyond temperature control
Temperature alone does not determine how cool we feel. How comfortable we feel is also influenced by variables like humidity and air velocity.
Fans, whether mounted on the ceiling or freestanding, are useful in this situation. It is feasible to increase the thermostat setting from 24 degrees Celsius to 27 degrees Celsius and yet feel cool by using fans and air conditioning. This straightforward modification can save family cooling energy use by more than 20%.
Additionally, centralised air conditioning systems frequently result in overcooling us or even energy waste by cooling vacant spaces. However, we can combat this by combining more slack cooling controls, like turning up the thermostat, with individual cooling gadgets, such desk fans, cooled seats, or wearable thermoelectric coolers. Without having to cool an entire room, these devices give users more control over their immediate cooling requirements.
It’s crucial to take the entire heating and cooling requirements into account when developing or remodelling buildings. For instance, increasing ventilation in the summer can avoid overheating, while decreasing ventilation in the winter can assist cut down on the need for heating.
In order to minimise or lower the expense of building energy-intensive air conditioning systems, it is important to develop solutions that integrate well and are flexible. With this strategy, humans will be able to endure higher temperatures without further harming the environment for coming generations.
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WhatsApp will experience generative AI in the upcoming months, as Meta revealed some of the new capabilities coming to the messaging service. The firm will logically make the rapid changeover from the metaverse to AI, and the billions of WhatsApp users will be aware of it. In essence, generative AI for users looks at the chatbot’s ability to answer your queries, uses AI to generate WhatsApp stickers, and uses AI to generate photographs.These AI technologies, according to Meta, will allow you to express yourself more freely, be more creative, and work more effectively. Additionally, it makes sure that all AI data is encrypted from beginning to end.
Using its Llama 2 language model, Meta has created the Emu image-generating model. The maker claims that this gadget can turn your WhatsApp text messages into high-end stickers. WhatsApp and other Meta applications will progressively roll out the feature to certain English-language users over the course of the upcoming month. It only takes a few clicks to make the AI sticker of your choice by going to WhatsApp’s GIF section and picking the make option.
CREATE IMAGES WITH AI
Similar to how AI-generated stickers are made, WhatsApp will let you make AI-generated photographs. Text @ Meta AI/imagine first, then your request, to let the AI model to do its magic. You don’t have to enable any additional settings in order to use this AI feature.
AI CHATBOT ON WHATSAPP
Any AI integration must include an AI chatbot, and Meta is introducing the capability to WhatsApp as well. The Meta AI chatbot will provide customers gift recommendations and/or answer any particular queries they may have, just like other chatbots on the market. According to the company, Meta AI has access to real-time data through our search relationship with Bing and offers a tool for image generation. Before sending a message on WhatsApp, users must enter @metaAI and wait for the AI chatbot to answer.
Also Read: Apple’s iPhone 15 Production in India and Chinese Reactions: A Manufacturing Shift Impact
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The iPhone 15 is now being produced locally and exported, respectively, by Foxconn, Apple’s iPhone maker, at its Sriperumbudur factory close to Tamil Nadu, India.
This year’s iPhone 15 and iPhone 15 Plus handsets made their worldwide premiere on September 22 and went on sale in India the following day. The objective was to accelerate India’s exports to other nations and reduce the time between introduction and availability.
Apple’s iPhone 15 production in India triggered Chinese reactions
Chinese internet users have reacted to Apple’s iPhone 15 being produced in India, with many of them making attempts to propagate misinformation. These responses are a result of Apple moving its manufacturing to India from China, where formerly all iPhones were produced.
Many Chinese internet users claim that the iPhone 15 devices built in India are of worse quality, citing problems including overheating, discolouration, and chipping. Some even said that Apple switched to China-manufactured variants of the iPhone 15 because Europeans rejected the devices created in India.
They further claimed that Chinese consumers were being duped into buying iPhone 15 smartphones built in India. Some people have even written instructions on how to spot iPhone 15 phones made in India.
The manufacture of the iPhone 15 being outsourced to India has been denied, and the responses of Chinese internet users have been branded as “baseless and racist remarks.”
Apple expands local manufacturing operation in India
Apple has increased the size of its Indian manufacturing facilities. For the first time in years, Apple started building the iPhone 14 at India’s Foxconn factory in September of last year, just weeks after its official global introduction there.
Also Read: Chandrayaan-3’s Prospects Dim as Lunar Night Approaches
Apple started distributing the iPhone 15 this year simultaneously from China and India.
It’s possible that Apple will increase iPhone production in India after locally made iPhone 15 smartphones were available in the country on September 22, the day of worldwide sales.
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As the lunar night approaches, prospects of resurrecting India’s Chandrayaan-3 project are dwindling. Since September 2, the Vikram lander and Pragyan rover have been sleeping inside the ship. Since sunlight returned to Shiv Shakri Point, attempts to get in touch with the lander and rover pair have failed. The likelihood of resuming connection is dwindling, though, as the lunar night begins on September 30.
The lunar night goes on for around 14 Earth days and carries outrageous cold and outright murkiness to the lunar surface. Temperatures can decrease to as low as short 180 degrees Celsius, making it inconceivable for any innovation to work. This represents a huge issue for the Vikram lander and Pragyan wanderer, as they depend on daylight to work. The Indian Space Exploration Association (ISRO) had recently communicated trust that the rocket would endure the cruel states of the lunar evening. Sadly, as the night moves close, these expectations are reducing.
Extreme cold and complete darkness are the hallmarks of the lunar night, which lasts for almost 14 Earth days. The lunar surface can get as cold as minus 180 degrees Celsius during this time, rendering all electronics inoperable.
For Vikram and Pragyan, who depend on sunshine for their survival, this is a serious issue.
Earlier, the Indian Space Research Organisation (ISRO) voiced hope that the spacecraft may endure the challenging lunar night environment. An ISRO official had earlier remarked, “If it survives one night, it will survive many more lunar nights.” These hopes are starting to dwindle, though, as the lunar night approaches.
On August 23, Chandrayaan-3, India’s daring lunar exploration mission, made a successful soft landing on the moon.
Also Read: ChatGPT Now Offers Real-Time Web Browsing for Up-to-Date Information
Sadly, neither Pragyan nor Vikram are intended to travel back to Earth. Although the mission’s duration on Earth was just 14 days, Isro had hoped for a comeback.
The globe waits anxiously as the lunar night approaches, hoping without hope that the sleeping spaceship would give off some sort of life sign.
Despite waning optimism, Chandrayaan-3 has already produced useful information about the lunar surface. While the LIBS verified the presence of Sulphur, the APXS payload on board the rover found the presence of minor elements. These discoveries will surely advance our knowledge of the Moon’s structure.
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