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Smart windows take a page from nature's pinecone playbook

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Smart windows take a page from nature's pinecone playbook

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Have you ever wondered how a pine cone knows when to open and close? It’s not magic, it’s science. 

Now, researchers have taken this cue from nature to create something pretty cool for our homes. 

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Let’s dive into how this revolutionary window technology works, keeping your home comfortable without using a single watt of electricity.

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Solar Gate window facade system (Conné van d’Grachten)

Nature’s ingenious design

Pine cones have these amazing scales that respond to moisture. When it’s damp, they close up tight. But when it’s warm and dry, they open wide to release their seeds. This simple yet effective mechanism has inspired scientists to develop a smart window system that could change the way we think about energy efficiency in buildings.

Solar Gate window facade system (ICD/IntCDC University of Stuttgart)

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The Solar Gate window system

Scientists from Germany’s universities of Stuttgart and Freiburg have developed what is known as the Solar Gate window facade system. It’s like having tiny pinecones built right into your windows. These smart windows have special elements that curl up when it’s cool and moist, letting in sunlight to warm your home. But when it’s hot and dry, they flatten out to block the sun and keep things cool inside.

Solar Gate window facade system (ICD/IntCDC University of Stuttgart)

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How it works

The Solar Gate system consists of a gridded array of pine-cone-scale-inspired self-bending elements housed between two panes of glass in an aluminum-frame window unit. Each element is ingeniously crafted with three distinct layers, each serving a unique purpose. The bottom layer is composed of a cellulose powder and a thermoplastic blend that swells when exposed to moisture. Above this lies a middle layer made of thermoplastic, which remains unaffected by moisture.

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The top layer consists of flexible biocomposite filaments that serve to hold the entire structure together. When exposed to moist air, the bottom layer expands, causing the element to curl upwards. Conversely, in dry conditions, it returns to its flattened state. This simple yet effective mechanism allows the window to respond automatically to changing weather conditions, providing optimal shading and light penetration as needed.

Solar Gate window facade system (ICD/IntCDC University of Stuttgart)

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Real-world testing

The Solar Gate system underwent rigorous real-world testing to prove its effectiveness. In a comprehensive year-long study, researchers installed 424 Solar Gate elements in the south-facing skylight of a research building at the University of Freiburg. The results of this extensive trial were nothing short of impressive.

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During the cool, wet winter months, the elements responded by curling upwards, allowing ample sunlight to penetrate the building. This natural response effectively warmed and illuminated the interior spaces, reducing the need for artificial heating and lighting. Conversely, as the seasons changed and brought warmer, drier summer conditions, the elements automatically flattened out.

This flattening action served to block excess sunlight, effectively keeping the building’s interior cool and comfortable without the need for energy-intensive air conditioning. The test demonstrated the system’s ability to autonomously adapt to changing weather conditions, providing optimal comfort and energy efficiency throughout the year.

Solar Gate window facade system (ICD/IntCDC University of Stuttgart)

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The future of energy-efficient buildings

This innovative approach to building technology has far-reaching implications beyond just window systems. Researchers have already begun exploring similar biomimetic principles in a variety of applications. For instance, studies have investigated the development of shading systems using wooden slats that can open and close in response to environmental conditions.

In the realm of textiles, scientists are working on “smart” clothing fabrics that can adapt to ambient temperature, providing optimal comfort for wearers. Perhaps most intriguingly, these principles are even being applied to the field of robotics, with researchers developing tiny mobile robots that can respond to environmental stimuli in ways inspired by natural mechanisms. As we continue to draw inspiration from nature’s ingenious designs, the potential for creating more sustainable and responsive technologies seems boundless.

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Solar Gate window facade system (ICD/IntCDC University of Stuttgart)

Kurt’s key takeaways

Nature never ceases to amaze us with its ingenious solutions, and the Solar Gate window system is a brilliant example of how we can harness these natural wonders. By mimicking the pinecone, scientists have created a game-changing technology that could revolutionize how we approach energy efficiency in our buildings. It’s exciting to think about a future where our homes and offices adapt to the environment just like living organisms do. Who knew that the key to smarter buildings was hiding in our forests all along?

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Would you feel comfortable having windows that automatically open and close based on moisture and temperature — without any electrical controls? Let us know by writing us at Cyberguy.com/Contact.

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Technology

Soundcore new Space 2 promise improved ANC and sound

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Soundcore new Space 2 promise improved ANC and sound

We finally have an update to the Soundcore Space One that launched two and a half years ago. At MWC 2026, Soundcore has announced the Space 2, which will be available in the US on April 21st in three colors — linen white, jet black, and seafoam green — for $129.99. That’s $30 more than the Space One’s original price.

According to Soundcore, the Space 2 have had a full-band noise cancellation upgrade with the focus of those improvements on the low-frequency sounds we all generally use ANC headphones to block — things like airplane, train, and bus engine sounds while traveling. The Space 2 use the same number of microphones as the Space One for noise canceling, instead relying on optimized mic placement and structure and materials improvements for the boost in performance.

Redesigned 40mm drivers incorporate dual layers in their design. There’s a silk diaphragm with metal ceramic that supposedly results in faster transient response — the driver’s ability to respond to sudden sound quickly and accurately — with better balanced sound reproduction. The Space One had great sound performance for the price, but I’m all for any improvement to sound performance accuracy. Like the Space One, the Space 2 will support LDAC high-res audio.

The headphones connect wirelessly over Bluetooth 6.1, although they do not support Auracast transmissions — an unfortunate exclusion. There’s also a 3.5mm jack for a wired connection.

Battery life has been increased to up to 50 hours with ANC and 70 hours with ANC off. This is up from 40 hours with ANC and 55 hours without ANC with the Space One headphones. With a five-minute charge the Space 2 get an additional four hours of listening.

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The Space 2 will include many of the features found on the Space One. You can use HearID 3.0 to go through a series of sound samples to tune the headphones’ sound to your preferences. It worked well for me on the Space One to get them closer to a sound I liked, with a bit of the edge taken off the higher frequencies. There’s also a sensor that detects when you remove the headphones and stops playback so you don’t miss any of your music or podcast. They once again come with a cloth bag that matches the color of the headphones instead of a case, which is one change I wish Soundcore had made, as the cloth bag doesn’t offer as much protection if you tend to throw your headphones into your backpack or bag.

The Soundcore Space One were among the best budget ANC headphones when they came out, and still hold up to more recent releases. But with the bump in price to over $100 for the Space 2, there’s a bit more expectation on them. ANC performance continues to improve — and products get cheaper — across manufacturers, so the Soundcore Space 2 has some competition from companies like Sony, EarFun, and JLab. If the ANC on the Space 2 stands up to current budget headphones and they still sound as good and are as comfortable as the Space One, you can expect to see the new Soundcore Space 2 on many recommendation lists.

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Technology

Tired of websites blocking your VPN? A dedicated IP fixes that

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Tired of websites blocking your VPN? A dedicated IP fixes that

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If you have ever turned on your VPN and suddenly could not log in to your bank, email, streaming service or work portal, you are not imagining things. In fact, this is one of the most common frustrations VPN users face today.

However, the issue is not that VPNs stopped working. Instead, websites have become far more aggressive about blocking traffic that looks suspicious.

As a result, the way your VPN is built now matters just as much as whether you use one at all.

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Shared VPN IPs often trigger red flags, which is why banks, email providers and streaming sites sometimes block access. (Kurt “CyberGuy” Knutsson)

Why websites block many VPN connections

Most VPNs give you a shared IP address. As a result, hundreds or even thousands of people can appear online from the same address at the same time. From a website’s perspective, that traffic pattern raises red flags. When platforms detect too many logins, rapid location changes or unusual activity tied to one IP, they step in quickly. In many cases, they respond by:

  • Blocking access
  • Triggering captchas
  • Requiring extra verification codes
  • Temporarily locking accounts

Meanwhile, you did nothing wrong. Instead, you end up dealing with restrictions caused by other users sharing that same IP address.

What a dedicated IP does differently

With a dedicated IP, you get an address that belongs only to you. Unlike shared VPN connections, no one else uses it.

Each time you connect, you use the same IP address. As a result, you avoid sharing traffic, rotating locations or competing with random users whose activity could trigger blocks.

Because of that consistency, your connection looks much more like a typical home or office internet setup. And that simple difference can dramatically reduce website suspicion and login headaches.

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A dedicated IP gives you a consistent address that looks more like a normal home connection, reducing captchas and login alerts. (Kurt “CyberGuy” Knutsson)

What a dedicated IP can do that shared VPN IPs usually can’t

That consistency does more than reduce suspicion; it improves how smoothly you access the sites and services you use every day.

Access more websites without blocks

Banks, government portals, healthcare sites, and streaming services are far less likely to block a dedicated IP because it does not show heavy or erratic traffic patterns.

Reduce captchas and security challenges

Those endless “prove you’re human” messages are usually triggered by shared IP abuse. A dedicated IP dramatically reduces them.

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Make banking and email logins smoother

Financial institutions and email providers often flag constantly changing IP addresses as suspicious. A dedicated IP stays consistent, so login alerts and lockouts happen far less often.

Support remote work and secure systems

Some employers only allow access from approved IP addresses. Shared VPN IPs cannot be approved. Dedicated IPs can.

Improve streaming reliability

Shared VPN IPs are often the first to get blocked when streaming services crack down. Dedicated IPs are less likely to be flagged because traffic looks normal and predictable.

What a dedicated IP does not do

A dedicated IP:

  • Does not remove encryption
  • Does not expose your identity
  • Does not weaken your privacy

Your traffic remains encrypted, and your real location stays hidden. You simply get a connection that websites trust more.

Who benefits most from a dedicated IP

A dedicated IP is especially helpful if you:

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  • Use online banking regularly
  • Travel and access sites from different locations
  • Work remotely
  • Stream often
  • Get tired of captchas and blocked pages
  • Want a VPN that feels normal to use

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With fewer blocks and smoother logins, a dedicated IP helps your VPN work quietly in the background instead of getting in your way. (Kurt “CyberGuy” Knutsson)

How to choose a VPN that offers a dedicated IP

If you want these benefits, look for a VPN provider that offers a dedicated IP option built directly into its service. Some providers include it in premium plans, while others offer it as an add-on. Either way, the process should be simple. You should be able to select your dedicated IP inside the app without advanced setup or manual configuration. Before signing up, check that the provider also offers strong speeds, reliable uptime and clear privacy policies. A dedicated IP improves access, but overall performance still matters.

 What to look for beyond a dedicated IP

A dedicated IP reduces blocks. However, a quality VPN should also deliver strong security and smooth performance.

Fast, stable connections: Speed matters for streaming, video calls and everyday browsing. Look for providers known for consistent performance.

Wide server coverage: More server locations give you flexibility when traveling and help reduce location errors.

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Clear privacy practices: Choose a VPN with a strict no-logs policy and independent audits when possible.

Secure server technology: Modern VPNs often use RAM-based servers that automatically wipe data on reboot.

Easy-to-use apps: Protection should feel simple, not technical. Clean apps across major devices make daily use effortless.

For the best VPN software, see my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android & iOS devices at Cyberguy.com

Kurt’s key takeaway

If your VPN keeps getting blocked, the problem may not be the VPN itself. It may be the shared IP address behind it. Websites are increasingly aggressive about suspicious traffic. When hundreds of users share the same IP, banks, email providers and streaming platforms take notice. That is when the captchas, verification codes and account lockouts start. A dedicated IP changes that experience. You still get encryption. You still protect your real location. But your connection looks stable and predictable, which helps you avoid constant interruptions.

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Should protecting your privacy really mean fighting with your bank, email, and streaming apps? Let us know by writing to us at Cyberguy.com

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Polymarket defends its decision to allow betting on war as ‘invaluable’

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Polymarket defends its decision to allow betting on war as ‘invaluable’
It might be World War III, but at least I won $20. | Image: Polymarket / The Verge

Polymarket has been allowing people to bet on when the US would strike Iran next. Obviously, now that it’s actually happened and people have died, the prediction betting market is feeling some pressure. The site has been at the center of controversy before, including suspicions of insider trading on the Super Bowl halftime show and the capture of Venezuelan President Nicolás Maduro.

In a statement posted on its site, Polymarket defended its decision to allow betting on the potential start of a war, saying that it was an “invaluable” source of news and answers, before taking shots at traditional media and Elon Musk’s X. The statement reads:

Read the full story at The Verge.

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