Technologies
Kobo Takes on Kindle Unlimited with New All-You-Can-Read eBook Subscription
Kobo Plus starts at $8 a month and offers 1.3 million books and 100,000 audio books.

Amazon is getting more competition when it comes to ebooks. Kobo, the e-reader company owned by Rakuten, launched its Kobo Plus all-you-can-read subscription service on Wednesday in the US and the UK. The service offers 1.3 million ebooks and 100,000 audio books for a flat monthly fee. Plans start at $8 (£9) a month for read-only or listen-only options, while full access to audio books and e-books will cost $10 (£12) a month.
At launch, Kobo Plus includes titles from Ian McEwan, Elena Ferrante, Alice Hoffman, Philip Roth and other authors. You’ll be able to find romance books by Barbara Freethy and Beverly Lewis, as well as as mysteries from M.C. Beaton, Patricia Highsmith, and Elizabeth Peters.
«At Kobo, we’re always working to make the reading experience better and more accessible,» Bart Robers, Kobo’s director of audiobooks and global subscriptions, said in a press release on Wednesday. He added that «there’s nothing as gratifying as saying ‘read as much as you want for a set monthly fee,’ which is exactly what our Kobo Plus subscription offers.»
Kobo Plus, like Amazon’s $10-a-month Kindle Unlimited service, offer readers a smorgasbord of books — but the quality of the books on offer can fluctuate wildly. Don’t expect to see big new releases or books that ranked in the year-end best lists. That’s because big publishers like Penguin Random House, Hachette, Macmillan and HarperCollins don’t allow their books to be part of these services.
Amazon fills its Kindle Unlimited service with books from self-published independent authors, with work that’s marketed as an Amazon Exclusive. Kobo has not said if it has a similar program or how it chooses which books are in its service.
Technologies
Today’s NYT Connections: Sports Edition Hints and Answers for May 19, #238
Hints and answers for the NYT Connections: Sports Edition puzzle, No. 238, for May 19.

Looking for the most recent regular Connections answers? Click here for today’s Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles.
Connections: Sports Edition might be tough today if, like me, you don’t know what «loge» means. Read on for hints and the answers.
Connections: Sports Edition is out of beta now, making its debut on Super Bowl Sunday, Feb. 9. That’s a sign that the game has earned enough loyal players that The Athletic, the subscription-based sports journalism site owned by the Times, will continue to publish it. It doesn’t show up in the NYT Games app but now appears in The Athletic’s own app. Or you can continue to play it free online.
Read more: NYT Connections: Sports Edition Puzzle Comes Out of Beta
Hints for today’s Connections: Sports Edition groups
Here are four hints for the groupings in today’s Connections: Sports Edition puzzle, ranked from the easiest yellow group to the tough (and sometimes bizarre) purple group.
Yellow group hint: Brag.
Green group hint: Where’s my seat?
Blue group hint: City that never sleeps.
Purple group hint: Opposite of go.
Answers for today’s Connections: Sports Edition groups
Yellow group: Boast
Green group: Stadium seating sections
Blue group: New York Knicks
Purple group: ____ stop
Read more: Wordle Cheat Sheet: Here Are the Most Popular Letters Used in English Words
What are today’s Connections: Sports Edition answers?
The yellow words in today’s Connections
The theme is boast. The four answers are crow, gloat, grandstand and showboat.
The green words in today’s Connections
The theme is stadium seating sections. The four answers are bleacher, loge, suites and upper deck.
The blue words in today’s Connections
The theme is New York Knicks. The four answers are Bridges, Hart, McBride and Towns.
The purple words in today’s Connections
The theme is ____ stop. The four answers are back, jump, pit and short.
Technologies
Blade Runner: 18-Rotor «Volocopter» Moving from Concept to Prototype
It may look "nutty" and like a "blender," but the designers say the craft could challenge helicopters
Inventor and physicist Thomas Senkel created an Internet sensation with the October 2011 video of his maiden—and only—test flight of a spidery proof-of-concept 16-rotor helicopter dubbed Multicopter 1. Now the maker of the experimental personal aviation craft, the European start-up e-volo, is back with a revised «volocopter» design that adds two more rotors, a serial hybrid drive and long-term plans for going to 100 percent battery power.
The new design calls for 1.8-meter, 0.5-kilogram carbon-fiber blades, each paired with a motor. They are arrayed around a hub in two concentric circles over a boxy one- or two-person cockpit.
After awarding the volocopter concept a Lindbergh Prize for Innovation in April, Yolanka Wulff, executive director of The Charles A. and Anne Morrow Lindbergh Foundation, admitted the idea of the multi-blade chopper at first seems «nutty.» Looking beyond the novel appearance, however, she says, e-volo’s concept excels in safety, energy efficiency and simplicity, which were the bases of the prize.
All three attributes arrive thanks largely to evolo’s removal of classic helicopter elements. First, the energy-robbing high-mass main rotor, transmission, tail boom and tail rotor are gone. The enormous blades over a normal chopper’s cabin create lift, but their mass creates a high degree of stress and wear on the craft. And the small tail rotor, perched vertically out on a boom behind the cabin, keeps the helicopter’s body from spinning in the opposite direction as the main blades, but it also eats up about 30 percent of a helicopter’s power.
The volocopter’s multiple rotor blades individually would not create the torque that a single large rotor produces, and they offer redundancy for safety. Hypothetically, the volocopter could fly with a few as 12 functioning rotors, as long as those rotors were not all clustered together on one side, says Senkel, the aircraft’s co-inventor and e-volo’s lead construction engineer.
Without the iconic two-prop configuration, the craft would be lighter, making it more fuel efficient and reducing the physical complexity of delivering power to the top and rear blades from a single engine. Nor would the volocopter need an energy-hungry transmission. In fact, «there will be no mechanical connection between the gas engine and the blades,» Senkel says. That means fewer points of energy loss and more redundancy for safety.
E-volo’s design eliminates the dependence on a single source of power to the blades. As a serial-hybrid vehicle, the volocopter would have a gas-fueled engine, in this case an engine capable of generating 50- to 75 kilowatts, typical of ultralight aircraft. Rather than mechanically drive the rotors, the engine would generate power for electric motors as well as charge onboard lithium batteries. Should it fail, the batteries are expected to provide enough backup power so the craft could make a controlled landing.
Whereas helicopters navigate by changing the pitch of the main and tail rotor blades, the volocopter’s maneuverability will depend on changing the speed of individual rotors. Although more complex, it is more precise in principle to control a craft using three to six redundant microcontrollers (in case one or more fails) interpreting instructions from a pilot using a game console–like joystick—instead of rudder pedals, a control stick and a throttle.
Wulff’s first impression about the volocopter’s design is not uncommon. E-volo’s computer-animated promotional videos of a gleaming white, carbon-fiber and fiberglass craft beneath a thatch of blades recall the many-winged would-be flying machines of the late 19th century. This point is not lost on Senkel.
«I understand these skeptical opinions,» he says. «The design concept looks like a blender. But we really are making a safe flying machine.»
That would be progress in itself. Multicopter 1 looked like something from an especially iffy episode of MacGyver, complete with landing gear that involved a silver yoga ball. Senkel rode seated amid all those rotors powered only by lithium batteries. Multicopter 1 generated an average of 20 kilowatts for hovering and was aloft for just a few minutes.
There’s a reason why the experimental craft flew briefly and only once.Senkel describes that first craft as «glued and screwed together.» Seated on the same platform as the spinning blades, he says, «I was aware of the fact that I will be dead, maybe. Besides, we showed that the concept works. What do we win if we fly it twice?» he asks rhetorically.
Other than putting the pilot safely below the blades, the revised volocopter design would operate largely the same as the initial prototype. The design calls for three to six redundant accelerometers and gyroscopes to measure the volocopter’s position and orientation, creating a feedback loop that gives the craft stability and makes it easier to fly, Senkel says.
The volocopter’s revised prototype under construction could debut as soon as next spring. The first production models, available in perhaps three years, are expected to fly for at least an hour at speeds exceeding 100 kilometers per hour and a minimum altitude of about 2,000 meters, still far shy of standard helicopter’s normal operating altitude of about 3,000 meters. «This could change our lives, but I don’t expect anything like that for 10 years,» Senkel adds.
Given that most of the technology needed to build the volocopter is already available, «this idea is fairly easy to realize,» says Carl Kühn, managing director of e-volo partner Smoto GmbH, a company that integrates electric drive systems and related components.
Like Senkel, Kühn has modest short-term expectations despite his repeated emphasis on the standard nature of the technology involved. «I guess that e-volo will have [a prototype] aircraft in three years that can do the job—that it will lift one or two persons from one point to another,» he says.
The biggest immediate limitations appear to be regulatory. For instance, European aviation regulators consider any electrical system greater than 60 volts to be high voltage and regulate such systems more aggressively, Kühn says. As a result, the volocopter will operate below that threshold. The craft will also need to weigh no more than 450 kilograms to remain in the ultralight category, which is likewise subject to fewer government aviation regulations, according to Senkel.
The Lindbergh Foundation’s Wulff says the organization’s judges felt e-volo had «a greater than 50 percent chance of succeeding, or they wouldn’t have given them the innovation award.» Asked if she would line up to fly one someday, she says, «I sure would. It looks very compelling to me.»
Follow Scientific American on Twitter @SciAm and @SciamBlogs.Visit ScientificAmerican.com for the latest in science, health and technology news.
© 2012 ScientificAmerican.com. All rights reserved.
Technologies
Act Fast to Save $50 on This Baseus Blade 6-in-1 Power Strip and Get 2 Free 45W USB-C Chargers
Optimize your workspace with this Baseus Blade charging station and free Amazon goodies with purchase.

If you love smart home devices or rely heavily on your portable devices to help you get through the day, then you that a shortage of electrical outlets can be inconvenient. Luckily, Baseus is behind some nifty charging devices that can help you solve this issue and make sure every one of your devices can get its duly needed recharge. We’ve spotted the Baseus Blade 140W charging station for just $70 right now. This saves you $30 and even better, Amazon is including two free 45W USB-C chargers as well. Not only is this a great opportunity to save on this charging device, you might also be able to avoid potentially rising costs due to tariffs on electronic devices and accessories.
This Baseus Blade charging station is a 6-in-1 powerhouse with two electrical outlets, one USB-A port and three USB-C ports for a convenient place to charge your laptop, tablet, smartphone, lamp and other necessary work devices. Its smart display also shows you how much power is being distributed per port.
Hey, did you know? CNET Deals texts are free, easy and save you money.
Thanks to its GaN technology, this charging station is safe to use and is built to prevent overheating and keep your devices safe. Amazon is also throwing in two 45W charging blocks valued at $35, which makes this deal even sweeter and lets you charge even more devices.
Looking for charging devices but not sure if this deal is right for you? Check out our list of the best USB-C chargers, docks, hubs and more.
Why this deal matters
This Baseus Blade 6-in-1 charging station is not only $30 off, it also includes two 45W charging blocks so you can expand your charging options at home or during travels. That makes now a great time to stock up and potentially save before tariffs start affecting the price of electronic goods and accessories.
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