Elon Musk and Bitcoin miners say they want to address crypto’s sustainability problem

MicroStrategy CEO Michael Saylor tweeted Monday that after a weekend meeting with Tesla CEO Elon Musk and “leading Bitcoin miners in North America,” the group has agreed to form a Bitcoin Mining Council, “to promote energy usage transparency [and] accelerate sustainability initiatives worldwide.”

Musk tweeted earlier in the day that the group “committed to publish current & planned renewable usage & to ask miners WW to do so. Potentially promising.” According to Saylor, the group included representatives from Argo Blockchain, Blockcap, Core Scientific, Galaxy Digital, Hive Blockchain Technologies, Hut 8 Mining, Marathon Digital Holdings, and Riot Blockchain.

Yesterday I was pleased to host a meeting between @elonmusk & the leading Bitcoin miners in North America. The miners have agreed to form the Bitcoin Mining Council to promote energy usage transparency & accelerate sustainability initiatives worldwide. https://t.co/EHgLZ9zvDK

— Michael Saylor (@michael_saylor) May 24, 2021

Emails to each of the companies Saylor referenced were not immediately returned Monday, but a spokesperson from Galaxy confirmed to Bloomberg that a representative participated in the call. Several other of the companies mentioned tweeted their support for the plan. Hut 8 Mining confirmed it was part of the discussions Saylor referenced, tweeting that it would “educate the market that sustainable mining is possible and a priority.”

Argo Blockchain CEO Peter Wall tweeted “as a founding member of the Bitcoin Mining Council, Argo will push hard for sustainable mining and more transparency. This is the way!” Merrick Okamoto, executive chairman at Marathon Digital Holdings tweeted the company would do its part “to contribute to sustainable mining and transparency.”

While Tesla began accepting Bitcoin as payment for vehicles in March, Musk reversed that position earlier this month, as he expressed concern for the environment. “Cryptocurrency is a good idea on many levels and we believe it has a promising future, but this cannot come at great cost to the environment,” Musk tweeted. Since then he’s made note several times of cryptocurrency’s sustainability problem.

Bitcoin mining uses a significant amount of electricity, using as much annually as the Netherlands, according to one estimate. That’s at odds with Tesla’s stated mission to “accelerate the world’s transition to sustainable energy.” Specifics about how the miners planned to tackle Bitcoin’s environmental issues — whether through making changes to the blockchain or using carbon offsetting measures as large corporations do — weren’t available Monday.


Samsung’s Galaxy Tab S7 FE is like a Tab S7 Plus without the high-refresh screen

The Samsung Galaxy Tab S7 FE (Fan Edition) could be officially launching soon according to a new German product page spotted by WinFuture. The tablet appears to be a renamed version of the previously leaked “Galaxy Tab S7 Plus Lite” that first made the rounds in March 2021. The Galaxy Tab S7 FE is the first Fan Edition of one of Samsung’s tablets, a tweaked version of the earlier iPad Pro-inspired 12.4-inch Tab S7 Plus.

While the Tab S7 FE shares the same 12.4-inch screen size as the older Tab S7 Plus, it appears to be using a TFT LCD display, like the 11-inch Tab S7, rather than the OLED found in the Tab S7 Plus. Another cost-saving measure is found in the processor: the Tab S7 FE has a Snapdragon 750G octa-core processor and 4GB of RAM. For storage, the tablet comes with 64GB of UFS memory, which is partially used by the device’s One UI skinned version of Android 11, and expandable with a microSD card. The Tab S7 FE hangs on to the optional 5G support of its more expensive siblings.

Samsung’s Galaxy Tab S7 Fan Edition with optional S Pen stylus.
Image: Samsung

If you happen to be a tablet photographer, the Tab S7 FE includes an 8-megapixel back camera and a 5-megapixel front camera. In a plus for anyone who’s complained about camera orientation on the iPad Pro, the Tab S7 FE’s front-facing camera is in landscape orientation, perfect for long Zoom calls. To get the device through those long calls, the FE has a 10,090mAh battery, which Samsung claims should last up to 12 hours on LTE (oddly, no estimate is given for 5G), and 13 hours specifically for video playback.

  • The silver Galaxy Tab S7 FE with S Pen stylus.

    Image: Samsung

  • The black Galaxy Tab S7 FE.

    Image: Samsung

The FE can come with an optional S Pen for note-taking tricks like converting handwriting to text. The tablet also has Samsung DeX, which can add Windows-esque interface elements like a taskbar, window-ing, and a “Start menu” automatically when you attach a keyboard. Whether any of those tablet features can elevate the FE into a true productivity device for you is harder to say. We found the Tab S7 and S7 Plus to still work best for simpler tablet tasks like video watching and web browsing rather a whole day of work. Nothing about the Fan Edition suggests that will be different.

The Galaxy Tab S7 Fan Edition currently isn’t for sale in Germany (you can sign up to be notified when it’s available) and is priced at €649 (approximately $792) for either the silver or black version. That’s less than the typical price of a base Galaxy Tab S7 in Germany (€698) and for the larger screen size of a €979 S7 Plus. Should the Tab S7 FE come to the US, it will likely cost less than the rough conversion of the German price to US dollars. We’ve reached out to Samsung and will update if we hear back.

WinFuture says Samsung has other colors and models with different specs in the works as well. We’ll keep an eye out for an official announcement in the future.


Apple iPad Air (2020)

Our Verdict

The latest iPad Air gets more than just a makeover – it’s a brilliant all-rounder and all the tablet most people could ever need


  • Great picture and sound
  • Attractive design
  • Excellent user experience


  • Imperfect front-facing camera
  • Touch ID button is awkward
  • Not the cheapest tablet around

It’s not every day an Apple product gets what you could call a major revamp. On many occasions in the past, there has been a slight change here and a minor tweak there, leaving the tech world slightly underwhelmed. However, by Apple’s standards, it has positively gone to town on the iPad Air (2020).

Not only does the fourth generation iPad Air boast a brand new design, complete with a new Touch ID sensor and speaker layout, there’s also a bigger screen, more powerful processor and improved main camera. Everything is set up for the iPad Air (2020) to make quite the splash, but where does it rank when it comes to the best iPads you can buy?


The fourth-generation iPad Air slots between the entry-level iPad and the flagship iPad Pro (2021). It’s available with either 64GB or 256GB of storage and prices start at £579 ($599, AU$899) for the entry-level 64GB Wi-Fi-only model and £729 ($749, AU$1129) for the Wi-Fi/Cellular model.

That makes the latest generation iPad Air around £100 ($100, AU$120) more expensive than the previous model. If Apple had just touched up the design and kept the status quo, you’d probably consider that a big jump in price. But the new model is a clear improvement on iPad Airs of old.


(Image credit: Apple)

Nowhere are the changes more obvious and apparent than with the new iPad Air’s exterior. It has been redesigned to mirror the iPhone 12, and if you like the look and feel of that smartphone, you’re going to love the iPad Air 4.

Apple iPad Air (2020) tech specs

(Image credit: Apple)

Screen size 10.9in

Resolution 2360×1640 pixels

Storage 64GB/256GB

Finishes x5

Battery life 10 hours

Cameras 12MP rear / 7MP front

Dimensions (hwd) 24.8 x 17.9 x 0.6cm

Weight 458g

Those flat sides and crisp edges give the tablet a more purposeful appearance from the off. It makes for quite the contrast switching from the smooth, curved edges of the previous version, but it doesn’t feel uncomfortable, and those flat sides make it easier to grip when you’re watching in portrait or landscape.

It’s similar in look and feel to its big brother, the iPad Air Pro, although the Air is the first iPad to be made available in a range of optional colours. There are Rose Gold, Green and Sky Blue variants to choose from, in addition to the more traditional Silver and Space Grey. We find the Green finish of our review sample particularly easy on the eye.

Run your eyes around those flat edges and you’ll also spot a couple of new additions. The first is the presence of speaker grilles on the top and bottom of the tablet. Instead of offering speakers along just the bottom, the iPad Air 4 now offers landscape stereo speakers. That’s right, no longer does audio sound lopsided.

The iPad Air is now fitted with a USB-C port instead of Lightning, which makes one wonder why Apple is persisting with Lightning on the iPhone. Perhaps we’ll see the socket on the iPhone 13 when it makes an appearance later in the year?

The iPad Air’s volume buttons remain in the same location, as does the power button, although it’s slightly larger and longer, likely because it now handles Touch ID duties. We find that this takes some time to get used to and is at times a little more awkward to operate than the dedicated face-mounted Touch ID button of before. We can’t help but think a fingerprint sensor built under the screen, which is already used by smartphones such as the Samsung Galaxy S21 range, might work better.


(Image credit: Apple)

The big news on the screen front is that the new iPad Air is bigger than ever. At 10.9in, it’s marginally larger than the previous model (10.5in), but you only notice the difference when viewing the two tablets together. The effect is emphasised by the slimmer bezels at the top and bottom, which have been achieved by ditching the fingerprint scanner/home button. It all makes for a streamlined viewing experience.

Resolution is 2360 x 1640 (vs 2224 x 1668 on the iPad Air 3) with a pixel density of 264ppi and a maximum brightness of 500 nits.

It’s still a wide colour display with True Tone, so the iPad Air can adjust the balance of its screen based on ambient lighting conditions. The only thing it doesn’t have compared to its more expensive Pro sibling is a 120Hz refresh rate, which would be nice, but not vital.

The new iPad Air (2020) has the brains to match its beauty too. It is powered by Apple’s A14 Bionic chip, the same silicone that drives the entire iPhone 12 line.

In terms of CPU performance, Apple claims the iPad Air 2020 is 40 per cent faster than the previous generation A12 Bionic chip, while its GPU performance is supposedly up 30 per cent, too, for faster graphics processing.

Although it can’t match the specs of the iPad Pro 2021, both in terms of processing power and storage, Apple still claims the Air is more than powerful enough to be able to edit 4K video on and it’s fully compatible with the Apple Pencil 2, which will come in handy for creative types.

So how do Apple’s claimed performance percentage increases translate into real life? The iPad reacts extremely well to multiple apps being open and even the rigours of gaming. In fact, the iPad Air arguably turns the iPad Pro into even more of a niche product. For most people, the iPad Air 2020 will be a powerful enough tool.

Apps such as Netflix and Amazon Music boot up without hesitation, and even if you have more than a handful of apps running in the background, the iPad Air won’t struggle to cope. Navigating between apps via a series of simple swipes is quick and hassle-free, and once again, Apple’s intuitive iOS operating system delivers a smooth and class-leading user experience.

As far as cameras are concerned, the iPad Air 2020 sports a 12MP snapper on the rear (up from 8MP on the previous version) while it sticks with the old 7MP FaceTime HD camera on the front. The Air can record in 4K resolution at 24, 25, 30 or 60fps and capture slow-mo video in 1080p at 120fps or 240fps.

Apple has stripped down the accessories included in the box for the iPhone, but you still get a 20W charger to go alongside the USB-C charging cable. With a full battery, the iPad Air 2020 should be good for up to 10 hours of battery life under average use. As an occasional web browser and viewing device for the odd episode of The Crown, you should be more than covered.


(Image credit: Apple)

One of the more exciting changes to the iPad Air’s design from an AV perspective relates to its speakers. On the previous iPad Air, they were positioned on one side, on the edge beneath the Touch ID sensor. Here, the speakers have been repositioned to fire out from either end of the tablet, so you can be treated to proper stereo audio with both sides of your iPad contributing equally.

Not having the audio offset to one side makes a big difference. It’s a better fit for watching programmes in landscape mode, especially while bingeing episodes of your favourite series on Netflix. The most obvious improvement is a wider spread of sound, which helps give it a more cinematic and immersive feel. It’s not exactly surround sound, but it is better than it was previously.

The sound coming out of the speakers is more solid and defined too. There’s extra weight to dialogue and although the vibrations through the iPad’s chassis can be pretty disturbing at higher volumes, it never seems to muddy the clarity of what you’re hearing. Stick to normal volume levels and you’ll be just fine.

You still need to be a little careful about hand placement if you’re holding the iPad in landscape mode, although it is much improved on the older model.

Switch to playing tracks through a pair of wireless headphones and Apple’s trademark musicality is there to enjoy. The iPad makes quick work of Radiohead’s 15 Steps and its attempts to trip the tablet over, displays an excellent sense of rhythm and there’s a real snap to the claps that help keep the track on course. There’s plenty of precision to the percussion including a solid, weighty kick drum.


(Image credit: Apple)

Apple’s tablets have a reputation for delivering excellent images when watching video and the iPad Air 2020 doesn’t let the side down. It’s punchy and bright, but also throws in a great level of subtlety when the scene demands. Compared with the previous model, the latest iPad Air appears a bit sharper, slightly better detailed and capable of great subtlety in dark scenes.

Playing the second episode of Jupiter’s Legacy on Netflix, as everyone lines up at the funeral of their fallen comrades, the detail and definition in each character’s suit really captures the eye. Blacks are deep and rich, but there’s subtlety around creases and where light casts a shadow on certain areas. There’s a great general sense of depth to the scene too.

The iPad peers into the nooks and crannies and paints different gradations of black and grey with great care and attention. It also picks out subtle differences in the intensity of the white shirts worn by some of the characters. Skin tones also appear natural. As Sheldon, Walter, Grace and Brandon sit down for dinner, the bulbs in the chandelier bulbs emit a welcoming, warm glow and there’s a great sense of depth.


If you want the ultimate iPad experience, Apple would probably point you in the direction of its Pro range. But the iPad Air 4 (2020) is all the iPad most people will ever need. It’s such a solid and capable all-rounder, that very few will feel the need to spend the extra for the iPad Pro.

The design is superb, the user experience is tough to beat and both sound and picture quality are on point. It’s an excellent tablet, and even with a slight price increase, we still feel it’s worth every penny.


  • Picture 5
  • Sound 5
  • Features 5


Read our guide to the best tablets

Read our Samsung Galaxy Tab S7+ review

Everything you need to know about the new Apple iPad Pro