Technology
Humidity sucks. Transaera has a new way to deal with it
“It’s not the heat that’s killing you, it’s the humidity,” my father said somewhere.
His kids might roll their eyes, especially in the event that they’ve spent any time within the desert Southwest in the course of the summer, but their dad is a minimum of partly right: high humidity not only makes people less convenientalso puts a strain on air-con units. Half of the energy used to power a typical air conditioner is used moisture removal from the air.
For firms like Amazon, Walmart, UPS and FedEx that operate massive warehouses, air-con is becoming a growing problem. Temperatures inside warehouses can rise to uncomfortable levels, potentially dangerously hot.
A startup is working on a solution to the moisture problem. Transaera is developing a unique air-con solution for homes and apartments that uses a special material to remove moisture before cooling the air. Since greater than 2 billion people in hot, humid regions still lack air-con, the corporate hopes it might help meet that demand while reducing the quantity of energy required.
But first, while it refines the buyer product, it’s rolling out larger units to industrial buildings like warehouses. On Tuesday, it installed the primary one on a customer’s roof, the corporate told TechCrunch exclusively. This dedicated outside air system (DOAS) dehumidifies fresh air coming into the constructing, reducing the workload on the air conditioner.
“DOAS is a small piece of the market, but it’s a growing segment,” co-founder and CEO Sorin Grama told TechCrunch. “It’s just an easier entry point.”
The Somerville, Mass.-based startup, founded in 2017, has raised $7.5 million to date, including $4.5 million in a seed round, Grama said. It is currently raising $6 million to support field trials of its hardware.
Transaera’s core technology is a proprietary material that covers the warmth pump’s heat exchangers, which resemble a automotive’s radiator. In Transaera’s DOAS, air entering the unit passes through a special material that removes moisture from the air. The drier air then passes to the evaporator coils, which cool the air to indoor temperatures.
Air conditioners and dehumidifiers generate heat within the technique of removing moisture from the air. Typically, this heat is wasted, but Transaera reuses it to remove moisture from the desiccant material on a porous wheel. As the wheel passes over the incoming air, it absorbs moisture. The loaded desiccant then spins away from the incoming air and thru the waste heat coming off the evaporator coils. The warm air carries unwanted moisture away from the air. In the winter, the system can reverse, helping to maintain indoor humidity as the warmth pump heats the incoming air.
Many other DOAS systems currently found on industrial roofs also use heat pumps to dehumidify supply air, but because they depend on low temperatures to condense water on coils, the air coming out of them will be too cool for what’s contained in the constructing (especially within the spring and fall, when temperatures will not be high enough to require air-con). The units then have to reheat the air, often using natural gas. “It’s a really inefficient, stupid way to do these dedicated outdoor air systems,” Grama said.
Transaera’s approach uses as much as 40% less energy than current top-of-the-line DOASs, he said. The company’s technology is currently on one industrial roof, but Grama said more shall be added soon. There is a few urgency: Because moisture removal requires a lot energy, it accounts for 1% of all greenhouse gas emissions, according to last examination. That’s about half of what aviation generates, a sector that is come under much greater scrutiny. Cutting energy use from dehumidification by 40% would cut that significantly. Dad would approve.
Technology
US medical device giant Artivion says hackers stole files during a cybersecurity incident
Artivion, a medical device company that produces implantable tissue for heart and vascular transplants, says its services have been “disrupted” resulting from a cybersecurity incident.
In 8-K filing In an interview with the SEC on Monday, Georgia-based Artivion, formerly CryoLife, said it became aware of a “cybersecurity incident” that involved the “compromise and encryption” of information on November 21. This suggests that the corporate was attacked by ransomware, but Artivion has not yet confirmed the character of the incident and didn’t immediately reply to TechCrunch’s questions. No major ransomware group has yet claimed responsibility for the attack.
Artivion said it took some systems offline in response to the cyberattack, which the corporate said caused “disruptions to certain ordering and shipping processes.”
Artivion, which reported third-quarter revenue of $95.8 million, said it didn’t expect the incident to have a material impact on the corporate’s funds.
Manufacturer of single-board computers Raspberry Pi is updating its cute little computer keyboard device with higher specs. Named Raspberry Pi500This successor to the Raspberry Pi 400 is just as powerful as the present Raspberry Pi flagship, the Raspberry Pi 5. It is on the market for purchase now from Raspberry Pi resellers.
The Raspberry Pi 500 is the simplest method to start with the Raspberry Pi because it’s not as intimidating because the Raspberry Pi 5. When you take a look at the Raspberry Pi 500, you do not see any chipsets or PCBs (printed circuit boards). The Raspberry Pi is totally hidden in the familiar housing, the keyboard.
The idea with the Raspberry Pi 500 is you could connect a mouse and a display and you are able to go. If, for instance, you’ve got a relative who uses a very outdated computer with an outdated version of Windows, the Raspberry Pi 500 can easily replace the old PC tower for many computing tasks.
More importantly, this device brings us back to the roots of the Raspberry Pi. Raspberry Pi computers were originally intended for educational applications. Over time, technology enthusiasts and industrial customers began using single-board computers all over the place. (For example, when you’ve ever been to London Heathrow Airport, all of the departures and arrivals boards are there powered by Raspberry Pi.)
Raspberry Pi 500 draws inspiration from the roots of the Raspberry Pi Foundation, a non-profit organization. It’s the right first computer for college. In some ways, it’s a lot better than a Chromebook or iPad because it’s low cost and highly customizable, which inspires creative pondering.
The Raspberry Pi 500 comes with a 32GB SD card that comes pre-installed with Raspberry Pi OS, a Debian-based Linux distribution. It costs $90, which is a slight ($20) price increase over the Raspberry Pi 400.
Only UK and US keyboard variants will probably be available at launch. But versions with French, German, Italian, Japanese, Nordic and Spanish keyboard layouts will probably be available soon. And when you’re in search of a bundle that features all the things you would like, Raspberry Pi also offers a $120 desktop kit that features the Raspberry Pi 500, a mouse, a 27W USB-C power adapter, and a micro-HDMI to HDMI cable.
In other news, Raspberry Pi has announced one other recent thing: the Raspberry Pi monitor. It is a 15.6-inch 1080p monitor that’s priced at $100. Since there are quite a few 1080p portable monitors available on the market, this launch is not as noteworthy because the Pi 500. However, for die-hard Pi fans, there’s now also a Raspberry Pi-branded monitor option available.
According to Apple, Apple desires to make its Vision Pro mixed reality device more attractive for gamers and game developers latest report from Bloomberg’s Mark Gurman.
The Vision Pro was presented more as a productivity and media consumption device than a tool geared toward gamers, due partly to its reliance on visual and hand controls moderately than a separate controller.
However, Apple may need gamers if it desires to expand the Vision Pro’s audience, especially since Gurman reports that lower than half one million units have been sold to this point. As such, the corporate has reportedly been in talks with Sony about adding support for PlayStation VR2 handheld controllers, and has also talked to developers about whether they may support the controllers of their games.
Offering more precise control, Apple may also make other forms of software available in Vision Pro, reminiscent of Final Cut Pro or Adobe Photoshop.
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