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Are portable AC units worth it? My verdict after testing one during a heat wave

zdnet.com Maria Diaz 2025-07-29 02:50:51

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $2,299 with the add-on battery. This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch. The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,099 at Amazon Many parts of the US are sizzling right now, unable t

Topics: air degrees ecoflow heat wave
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Seven Engineers Suspended After $2.3M Bridge Includes 90-Degree Turn

news.ycombinator.com Ashley Fike 2025-08-02 14:10:51

Ever had to make a 90-degree turn on a bridge? No? That’s the problem. In India, seven engineers just got suspended for designing exactly that. A brand-new $2.3 million bridge in Bhopal, India, is going viral—not because it solved traffic, but because it bends at nearly a 90-degree angle. Now, seven engineers have been suspended, a retired official is facing investigation, and the construction firms behind the project have been blacklisted. Videos by VICE The 648-meter Rail Over Bridge (ROB)

Topics: bridge degree design engineers turn
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Best Window Air Conditioners 2025: 10 Picks to Cool You for Years

wired.com Julian Chokkattu 2025-08-09 10:47:35

The EcoFlow Wave 3 is not for the weak. I mean that literally, as it weighs nearly 56 pounds when attached to its 22-pound lithium battery. At 6,100 BTU cooling capacity, the Wave 3 is designed for a car, RV, tent, boat, or any space that might be either temporary or off the grid. The Wave 3 also has a slightly higher 6,800 BTU heat mode. I have a van and and a dog, so for me, the Wave 3 offers a specific type of assurance on hot or cold days. Portable doesn’t mean you can move it around a lot.

Topics: camping car degrees ecoflow wave
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Are portable AC units worth it at home? My advice after testing one during a heat wave

zdnet.com Maria Diaz 2025-08-15 00:00:19

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $2,299 with the add-on battery. This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch. The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon For Prime Day, the EcoFlow Wave 3 with the battery ad

Topics: air degrees ecoflow heat wave
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Are portable AC units viable at home? My verdict after testing one during a heat wave

zdnet.com Maria Diaz 2025-08-21 10:00:15

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave
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My air conditioner broke during a heat wave - and this portable AC saved the day

zdnet.com Maria Diaz 2025-08-23 06:50:55

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave
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People Are Already Dropping Dead as Extreme Heat Scorches the US

futurism.com Unknown 2025-08-29 02:08:32

In large swaths of these United States, people are already dying from this summer's brutal heat wave. According to St. Louis' KMOV, a 55-year-old woman was found dead in her apartment this week after her electricity had been shut off during this so-called "heat dome" phenomenon — which involves heat being trapped by atmospheric conditions, as if by a lid or a cap. Reporting from KSDK, another area broadcaster, indicated that the woman had been stranded in her apartment without air conditioning

Topics: degrees extreme heat maryland people
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150 Million Americans Under Life-Threatening Heat Dome This Week

gizmodo.com Ellyn Lapointe 2025-08-31 10:15:52

More than 150 million Americans from Texas to Maine are under extreme heat advisories as dangerously high temperatures bake the nation. Meteorologists warn that this heat dome could expand to affect an additional 20 million people by mid-week. In more than three dozen states from the Plains to New England, daytime temperatures could reach and exceed 100 degrees Fahrenheit (38 degrees Celsius) through at least Tuesday, AccuWeather reports. In an advisory issued Monday, June 23, the National Weat

Topics: degrees heat high said temperatures
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RaptorCast: Designing a Messaging Layer

news.ycombinator.com Unknown 2025-09-02 23:57:44

RaptorCast: Designing a Messaging Layer ‍ In Proof of Stake blockchains, a pre-determined leader typically proposes a block of transactions at each round. The propagation of this block to all validators is one of the most challenging and time-consuming steps in the consensus protocol. In this blog post, we examine RaptorCast, a solution designed to address the following considerations: Performance - a block proposal needs to be sent quickly to the rest of the network Security - each recipien

Topics: chunks data degree leader stake
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Alaska Just Issued Its First-Ever Heat Advisory—and It Won’t Be the Last

gizmodo.com Ellyn Lapointe 2025-09-14 22:17:59

The National Weather Service (NWS) office in Fairbanks, Alaska, issued a heat advisory on Thursday, June 12. It’s never had to do that before. Heat advisories are new to both the Fairbanks and Juneau NWS offices, which implemented the use of these notices on June 2. Until now, Alaska weather officials exclusively issued Special Weather Statements to notify the public of potentially hazardous heat. The change comes as Alaska continues to warm at nearly twice the rate of the lower 48 states, with

Topics: alaska degrees fairbanks heat june
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