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Frédéric Jacobs boosted
Elan Head
Elan Head
@elanhead@mastodon.world  ·  activity timestamp 3 weeks ago

The #electric #aviation industry has publicly downplayed the challenges associated with certifying large #lithium propulsion #batteries, but it’s been a topic of intense negotiation behind the scenes. That's why a milestone announced this week by Swiss battery maker #H55 is so meaningful: it shows a manufacturer and regulator agreeing on the specific tests required to demonstrate that a large propulsion battery is safe for #flight. Full story in The Air Current: https://theaircurrent.com/aircraft-development/solar-impulse-h55-battery-certification-hurdle-electric-aviation/

The Air Current

How a Solar Impulse spinoff cleared a major battery certification hurdle

A battery testing milestone by Swiss startup H55 advances the broader electric aviation industry.
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Elan Head
Elan Head
@elanhead@mastodon.world  ·  activity timestamp 3 weeks ago

The #electric #aviation industry has publicly downplayed the challenges associated with certifying large #lithium propulsion #batteries, but it’s been a topic of intense negotiation behind the scenes. That's why a milestone announced this week by Swiss battery maker #H55 is so meaningful: it shows a manufacturer and regulator agreeing on the specific tests required to demonstrate that a large propulsion battery is safe for #flight. Full story in The Air Current: https://theaircurrent.com/aircraft-development/solar-impulse-h55-battery-certification-hurdle-electric-aviation/

The Air Current

How a Solar Impulse spinoff cleared a major battery certification hurdle

A battery testing milestone by Swiss startup H55 advances the broader electric aviation industry.
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Alex, the Hearth Fire boosted
Veronica Olsen 🏳️‍🌈🇳🇴🌻
Veronica Olsen 🏳️‍🌈🇳🇴🌻
@veronica@mastodon.online  ·  activity timestamp 3 weeks ago

I just looked up the stats for EV sales in Norway in 2025, and here's the pie chart for what's classified as "passenger cars".

The labels are:
Electric: 95.9%
Chargeable hybrid: 1.5%
Hybrid: 1.3%
Diesel: 1.0%
Gasoline: 0.3%

It also lists Hydrogen and Gas, which rounds off to 0%.

For vans, the market share for electric is 45.2%. I'm not sure if the classification is related to actual car body shape or number of seats. They have different registrations.

#EVs #Statistics #Norway #Electric #Cars

A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025.

Electric: 95.9%
Chargeable hybrid: 1.5%
Hybrid: 1.3%
Diesel: 1.0%
Gasoline: 0.3%
A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025. Electric: 95.9% Chargeable hybrid: 1.5% Hybrid: 1.3% Diesel: 1.0% Gasoline: 0.3%
A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025. Electric: 95.9% Chargeable hybrid: 1.5% Hybrid: 1.3% Diesel: 1.0% Gasoline: 0.3%
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Veronica Olsen 🏳️‍🌈🇳🇴🌻
Veronica Olsen 🏳️‍🌈🇳🇴🌻
@veronica@mastodon.online  ·  activity timestamp 3 weeks ago

I just looked up the stats for EV sales in Norway in 2025, and here's the pie chart for what's classified as "passenger cars".

The labels are:
Electric: 95.9%
Chargeable hybrid: 1.5%
Hybrid: 1.3%
Diesel: 1.0%
Gasoline: 0.3%

It also lists Hydrogen and Gas, which rounds off to 0%.

For vans, the market share for electric is 45.2%. I'm not sure if the classification is related to actual car body shape or number of seats. They have different registrations.

#EVs #Statistics #Norway #Electric #Cars

A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025.

Electric: 95.9%
Chargeable hybrid: 1.5%
Hybrid: 1.3%
Diesel: 1.0%
Gasoline: 0.3%
A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025. Electric: 95.9% Chargeable hybrid: 1.5% Hybrid: 1.3% Diesel: 1.0% Gasoline: 0.3%
A pie chart showing the fuel types of all cars (classified as passenger cars) sold in Norway in 2025. Electric: 95.9% Chargeable hybrid: 1.5% Hybrid: 1.3% Diesel: 1.0% Gasoline: 0.3%
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp last month

Drones that recharge directly on transmission lines

https://www.ycombinator.com/companies/voltair

#HackerNews #Drones #Electric #Drones #Technology #Innovation #TransmissionLines

Y Combinator

Voltair: Self Charging Drones | Y Combinator

Self Charging Drones. Founded in 2025 by Hayden Gosch, Avi Gotskind, Ronan Nopp, and Warren Weissbluth, Voltair has 5 employees based in San Francisco, CA, USA. Voltair is hiring for 7 roles in engineering, marketing, and operations.
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 2 months ago

Tesla sales fell by 9 percent in 2025, its second yearly decline

https://arstechnica.com/cars/2026/01/tesla-sales-fell-by-9-percent-in-2025-its-second-yearly-decline/

#HackerNews #Tesla #Sales #Decline #Electric #Vehicles #Automotive #News #Market #Trends

Ars Technica

Tesla sales fell by 9 percent in 2025, its second yearly decline

Deadly doors, a busted battery bet, and a toxic owner: what's not to like?
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 2 months ago

Tesla's 4680 battery supply chain collapses as partner writes down deal by 99%

https://electrek.co/2025/12/29/tesla-4680-battery-supply-chain-collapses-partner-writes-down-dea/

#HackerNews #Tesla #4680 #battery #supply #chain #collapse #partner #deal #write #down #electric #vehicles

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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 2 months ago

Retreating from EVs could be hazardous for Western carmakers

https://www.economist.com/business/2025/12/17/retreating-from-evs-could-be-hazardous-for-western-carmakers

#HackerNews #Retreating #from #EVs #hazardous #Western #carmakers #electric #vehicles #automotive #industry #sustainability

The Economist

Retreating from EVs could be hazardous for Western carmakers

Governments are tempting a shift back to petrol
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 2 months ago

Ford kills the All-Electric F-150

https://www.wired.com/story/ford-kills-electric-f-150-lightning-for-hybrid/

#HackerNews #Ford #Electric #F150 #ElectricVehicles #Automotive #News #Hybrid #Vehicles

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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 3 months ago

CATL Expects Oceanic Electric Ships in 3 Years

https://cleantechnica.com/2025/12/05/catl-expects-oceanic-electric-ships-in-3-years/

#HackerNews #CATL #Oceanic #Ships #Electric #Vehicles #CleanTech #Maritime #Innovation

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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 3 months ago

A rare GM EV1 saved from the crusher is going to be driveable again

https://electrek.co/2025/11/19/gm-ev1-saved-from-crusher-going-driveable-again/

#HackerNews #GM #EV1 #EVs #saved #automotive #history #electric #vehicles

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Georgiana Brummell
Georgiana Brummell
@dandylover1@someplace.social  ·  activity timestamp 4 months ago

*I'm saying we, since I would need to work with an expert. I am not only totally blind (who knows if this would be accessible), but I know nothing about this sort of thing.*
To make a very long story short, I am aware that there is severe frequency loss in acoustic recordings. That is why they sound so tinny, even when compared to the earliest electrics. Some voices are affected more than others, but even the ones with the best recordings still experience some of it. With the advances in technology at our disposal in 2025, however, I am wondering if it would be possible to attempt to restore some of those frequencies. Ideally, it might sound like something from the 1940's, but I doubt that is possible, at least with the earlier records, so at least the 1920's or 1930's would be great.

The thing is, I don't know exactly what is lost. So my idea is to record a modern singer (with at least a somewhat similar voice to the original) on period equipment and digitally symultaneously. In this way, we would have the live singer, plus two very different recordings. We could then compare the live, electric, and acoustic versions with a device or software that measures frequencies. Once we have determined what is lost, we could then try to restore the actual records in question.

If we were doing this with a cylinder machine, it would be very easy. Not only can one literally still record at the Edison Museum, but there are people today who record in wax with both real machines and reproductions, including commercially! However, the first singer whom I have in mind for this, Francesco Tamagno, recorded on disks, which complicates everything. I was very familiar with cylinder recording prior to designing this project, though I had never done it myself, but I knew absolutely nothing about 78s. Then, I learned.

https://www.scienceandmediamuseum.org.uk/objects-and-stories/making-gramophone-records

As I was saying, it is beyond complicated! Even if we took a chance and recorded the wax master and then used it for playback, skipping the step of actually making a shellac record, there is still the issue of finding recording equipment from Tamagno's time, which is ridiculously rare and doubtlessly too expensive for most people to consider buying. You might ask why we couldn't just use a cylinder machine, since they were certainly around in 1903. The problem is that their frequency loss was different from shellac records, so it would ruin the experiment if the difference was significant. Is it? Can anyone tell me? Do we even need to make a modern recording, or is technology good enough that we can simply add in the frequences from previous knowledge? If this can be perfected, or at least made feasible, there are hundreds of singers whose voices can finally be let out of the can, at least a little, and made to sound more life-like! Many of these didn't live to see electric recordings. I'm sure everyone would jump on this if I said Enrico Caruso was on the list, for example. But he, too, recorded on disks. I wonder if we can skip the recording experiment and use a singer, such as Tito Schipa (my personal favourite), whose recordings span both the acoustic and electric eras, from 1913 to 1964, as a control and gauge the frequency loss that way. If we wanted someone who recorded earlier, we could try someone like Alessandro Bonci or Mattia Battistini, but both only made it to the 1920's.

#78s #acoustic #cylinders #electric #music #opera #production #project #recording #records #restoration #science #SoundRestoration #technology

National Science and Media Museum

Making gramophone records | National Science and Media Museum

With the help of images from the Daily Herald Archive, this story explores the process of making gramophone records—one of the earliest platforms for distributing recordings, and the medium that launched a multinational industry.
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 4 months ago

Amazon Rivian electric delivery vans arrive in Canada

https://cleantechnica.com/2025/10/30/rivian-electric-delivery-vans-arrive-in-canada/

#HackerNews #Amazon #Rivian #electric #delivery #vans #arrive #in #Canada #electricvehicles #deliveryvans #Canada #sustainability #Rivian

CleanTechnica

Amazon Rivian Electric Delivery Vans Arrive in Canada - CleanTechnica

Support CleanTechnica's work through a Substack subscription or on Stripe. Amazon has deployed Rivian’s electric delivery vans in Canada for the first time, the companies announced this week. Deployed in the Vancouver area, there are now 50 Rivian EDVs roaming the streets in their Amazon wrapping. As someone living in ... [continued]
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9.88 Benanas boosted
James Akers
James Akers
@JamesAkers@expressional.social  ·  activity timestamp 5 months ago

Three friends an I are going to see Chappel Roan later this week in Queens. I like her pink pony club, and have been making a variety of pink ponies lately.

I decided to make some tiny pink "pony"s that the four of us could wear as necklaces to the concert. They also could be clipped onto hats. I got the tiniest 6mm blue phosphor glass I could get my hands on and filled them to just 8 torr neon (normally 18torr at this size) so they are nice an conductive an the battery lasts longer. Pure neon fill- so I can fix em if they break.

I do have to double check the rules of forest hills. I guess I could lie an say they are LEDs :). One of my friends requested a heart tiara (I think the tour has hearts in its theme) so I made two lil ones filled for battery life :).

I sure hope we can dance with the neon as a pink pony club :)

#glass #jewelry #pendant #neon #pony #chappelroan #pinkpony #pinkponyclub #cursive #script #nyc #brooklyn #art #handmade #electric #batterypowered #tiny #smallart

4 media
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
four lit miniature glass "pony"s on the agiing table
four lit miniature glass "pony"s on the agiing table
four lit miniature glass "pony"s on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
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James Akers
James Akers
@JamesAkers@expressional.social  ·  activity timestamp 5 months ago

Three friends an I are going to see Chappel Roan later this week in Queens. I like her pink pony club, and have been making a variety of pink ponies lately.

I decided to make some tiny pink "pony"s that the four of us could wear as necklaces to the concert. They also could be clipped onto hats. I got the tiniest 6mm blue phosphor glass I could get my hands on and filled them to just 8 torr neon (normally 18torr at this size) so they are nice an conductive an the battery lasts longer. Pure neon fill- so I can fix em if they break.

I do have to double check the rules of forest hills. I guess I could lie an say they are LEDs :). One of my friends requested a heart tiara (I think the tour has hearts in its theme) so I made two lil ones filled for battery life :).

I sure hope we can dance with the neon as a pink pony club :)

#glass #jewelry #pendant #neon #pony #chappelroan #pinkpony #pinkponyclub #cursive #script #nyc #brooklyn #art #handmade #electric #batterypowered #tiny #smallart

4 media
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
one single neon mini pony being driven by a DC input transformer. The DC power supply driving it is only needing .78 amps at 12 volts.
four lit miniature glass "pony"s on the agiing table
four lit miniature glass "pony"s on the agiing table
four lit miniature glass "pony"s on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
ruby hearts next to a now paint dipped ruby WIIFM crackle tube and a pony that I fixed (I dropped it when I got it home). Blue tubs also on the agiing table
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
phosphor coated glass pony on the pattern before attaching the last electrode. You can see the tube I was using as a handle cut off right next to it
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Tim Chambers boosted
Nonilex
Nonilex
@Nonilex@masto.ai  ·  activity timestamp 6 months ago

Amid rising #electric #bills, states are under pressure to insulate regular household & business ratepayers from the costs of feeding #BigTech’s #energy hungry #DataCenters.

It’s not clear that any state has a solution & the actual effect of data centers on #electricity bills is difficult to pin down. Some critics question whether states have the spine to take a hard line against #tech behemoths like #Microsoft, #Google, #Amazon & #Meta.

https://apnews.com/article/electricity-prices-data-centers-artificial-intelligence-fbf213a915fb574a4f3e5baaa7041c3a?utm_source=onesignal&utm_medium=push&utm_campaign=2025-08-09-Tech%27s+price+tag

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Nonilex
Nonilex
@Nonilex@masto.ai  ·  activity timestamp 6 months ago

Amid rising #electric #bills, states are under pressure to insulate regular household & business ratepayers from the costs of feeding #BigTech’s #energy hungry #DataCenters.

It’s not clear that any state has a solution & the actual effect of data centers on #electricity bills is difficult to pin down. Some critics question whether states have the spine to take a hard line against #tech behemoths like #Microsoft, #Google, #Amazon & #Meta.

https://apnews.com/article/electricity-prices-data-centers-artificial-intelligence-fbf213a915fb574a4f3e5baaa7041c3a?utm_source=onesignal&utm_medium=push&utm_campaign=2025-08-09-Tech%27s+price+tag

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Lot⁴⁹
Lot⁴⁹
@12thRITS@mstdn.social  ·  activity timestamp 7 months ago
@foone Make yourself one of these universal adapters if you have to travel.
2 media
US-style grounded plug adapted to European standard outlet using nail clippers
US-style grounded plug adapted to European standard outlet using nail clippers
US-style grounded plug adapted to European standard outlet using nail clippers
US two-prong plug adapted to European-style socket with a padlock and fingernail scissors
US two-prong plug adapted to European-style socket with a padlock and fingernail scissors
US two-prong plug adapted to European-style socket with a padlock and fingernail scissors
bigblen
bigblen
@bigblen@mastodon.nzoss.nz  ·  activity timestamp 7 months ago
@12thRITS @foone left hand image wallsocket is AU/NZ not European. Which means I can try it at home!
#nz #electric
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