The Obtain: electrical planes, and trans males’s fertility

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That is at this time’s version of The Download, our weekday publication that gives a every day dose of what’s happening on the earth of know-how.

That is what’s conserving electrical planes from taking off

What’s taking place?: Startups are exploring how electrical planes may clear up air journey, which accounts for about 3% of worldwide greenhouse-gas emissions. The reductions from embracing electrical flight might be vital—near 90% fewer emissions for a battery-powered aircraft charged with renewable power.

What’s the issue?: Right this moment’s electrical plane may safely carry you and a few dozen fellow passengers solely round 30 miles, in response to a latest evaluation. The limiting issue is the battery, particularly the quantity of power that may be saved. Right this moment’s batteries don’t have the power density essential to energy something however the lightest planes, and even for these, the journey might be about so far as a protracted bike trip.

What’s subsequent?: Batteries have been packing extra energy into smaller areas for about 30 years, and persevering with enhancements may assist electrical planes grow to be a extra possible choice for flying. However they’re not there but, and finally, the way forward for electrical planes might rely upon the way forward for progress in battery know-how. Read the full story.

—Casey Crownhart

A 3-parent method may assist trans males have infants

The information: Fertility therapies may be undesirable for transgender males, as they contain pausing gender-affirming hormone remedy and present process probably distressing procedures. New proof suggests combining two current strategies for the primary time may assist sidestep these points.

The way it works: The method includes eradicating items of a transgender man’s ovary, extracting eggs from the ovary within the lab, and swapping in components of an egg from one other individual earlier than fertilizing them with sperm to create embryos. Extracting eggs within the lab has helped some individuals have infants after surviving most cancers. And the so-called three-parent method—utilizing components of an egg from a 3rd individual—has been utilized in makes an attempt to assist individuals keep away from passing genetic illness to their infants and to spice up fertility.

Why it issues: The brand new analysis means that these applied sciences, utilized in live performance, may additionally enhance a trans man’s probabilities of utilizing his eggs to create a wholesome embryo—and probably have a child—with out having to bear typical fertility therapies. Read the full story.

—Jessica Hamzelou

Vibrant LEDs may spell the top of darkish skies

Scientists have recognized for years that mild air pollution is rising and may hurt each people and wildlife. In individuals, elevated publicity to mild at night time disrupts sleep cycles and has been linked to most cancers and heart problems, whereas wildlife suffers from interruption to their reproductive patterns, elevated hazard and lack of stealth.

Astronomers, policymakers, and lighting professionals are all working to seek out methods to scale back mild air pollution. A lot of them advocate putting in light-emitting diodes, or LEDs, in out of doors fixtures equivalent to metropolis streetlights, primarily for his or her means to direct mild to a focused space. However the excessive preliminary funding and sturdiness of recent LEDs imply cities have to get the transition proper the primary time or probably face many years of penalties. Read the full story.

—Shel Evergreen

The must-reads

I’ve combed the web to seek out you at this time’s most enjoyable/necessary/scary/fascinating tales about know-how.

1 Google is integrating massive language fashions into robots
In concept, this implies they need to perceive a wider array of instructions from people. (WP $)
+ Google’s robotic is powered by their strongest mannequin. (Wired $)
+ The race to grasp the exhilarating, harmful world of language AI. (MIT Technology Review)

2 Why we are able to now not afford to disregard the case for local weather adaptation 
We’re residing in the midst of a cautionary story. (MIT Technology Review)
+ Excessive warmth means we’re going to have to vary how we design cities. (The Atlantic $)

3 The US continues to be doing a number of enterprise with China
Regardless of escalating tensions, officers are nonetheless approving semiconductor and part offers. (WSJ $)

4 How a traumatic mind harm modified how one lady noticed the world
Distrusting her senses helped her to forge a brand new sense of who she is. (Wired $)
+ That is how your mind makes your thoughts. (MIT Technology Review)

5 This firm desires to develop crops in area
Utilizing the primary business area greenhouse. (Reuters)
+ Why we’re getting nearer to discovering what darkish matter truly is. (Aeon)

6 Bitcoin’s largest miners misplaced greater than $1 billion throughout the crash
They’ve been compelled to dump cash in consequence. (Bloomberg $)
+ Alphabet has invested extra into blockchain than another public firm. (Cointelegraph)
+ Texas’ energy grid is creaking beneath the pressure of crypto mining. (Slate $)
+ The losses from crypto hacks this yr are over $1 billion, too. (Reuters

7 Meet the influencers combating Kashmir’s web blackout
Budding influencers are getting inventive to skirt across the Indian authorities’s shutdowns. (Rest of World)

8 Hackers are concentrating on mining and oil giants
In a brand new wave of anti-capitalist resistance. (Motherboard)

9 Scientists need to deliver the thylacine again from the lifeless
The wolf-sized marsupial was hunted to extinction a century in the past. Now, it might be coming again. (Ars Technica)
+ The identical firm desires to deliver again the wooly mammoth, too. (CNET)
+ How two highschool college students found two new scorpion species. (Slate)

10 Gen Z is popping its again on Amazon
TikTok stars are backing its Labor Union’s calls for for increased wages. (WP $)
+ The UK’s kids spend extra time on TikTok than watching TV. (FT $)
+ In case your recently-published e book has flopped, flogging it on TikTok may assist. (The Guardian)

Quote of the day

“It was not an important night time.”

—Ethan Zuckerman, a professor on the College of Massachusetts Amherst, tells the New York Times in regards to the time a sequence of damaged chargers left him stranded and unable to cost his electrical automotive.

The massive story

China has began a grand experiment in AI schooling. It may reshape how the world learns.

The Obtain: electrical planes, and trans males’s fertility 1

August 2021

Zhou Yi was horrible at math. He risked by no means stepping into school. Then an organization referred to as Squirrel AI got here to his center college in Hangzhou, China, promising personalised tutoring. He had tried tutoring companies earlier than, however this one was completely different: as an alternative of a human trainer, an AI algorithm would curate his classes. The 13-year-old determined to provide it a strive. By the top of the semester, his take a look at scores had risen from 50% to 62.5%. Two years later, he scored an 85% on his remaining center college examination.

Consultants agree AI might be necessary in Twenty first-century schooling—however how? Whereas lecturers have puzzled over greatest practices, China hasn’t waited round. In the previous couple of years, the nation’s funding in AI-enabled instructing and studying has exploded. Tech giants, startups, and schooling incumbents have all jumped in. It’s the world’s largest experiment on AI in schooling, and nobody can predict the result. Read the full story.

—Karen Hao

We are able to nonetheless have good issues

A spot for consolation, enjoyable and distraction in these bizarre instances. (Obtained any concepts? Drop me a line or tweet ’em at me.)

+ Who knew the Prodigy’s Breathe would sound pretty much as good because it does acoustic?
+ A youngster tried to cover from police inside a giant teddy bear.
+ Take a deep breath and revel in this ode to relaxing Twitter accounts.
+ Success seems to be like various things to completely different individuals. Right here’s why that’s great.
+ A big inflatable Ozzy Osbourne is touring the US, as a result of why not?



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