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VTOL (vertical take-off and landing) aircraft are rapidly growing from prototypes to commercial vehicles. But while most prioritize electric batteries, theres a suite of companies developinghydrogen-poweredVTOLs, including theSkaifrom US company Alakai. I recently spoke to Brian Morrison, co-founderand Director, to find out more. Why is Skai using hydrogen, not lithium-ion batteries? Firstly, I was curious whyhydrogeninstead of Lithium-ion batteries. It’s free, every week, in your inbox. Lithium-ion batteries scare me....

Were not quite sure, but thats because nobodys ever directly observed dark matter. We assume it exists because we can see objects and events wecanobserve reacting tosomethingmysterious. But theres a problem. There seems to be far too much dark matter in the universe. Residual dark matter from the Big Bang or whatever doesnt quite explain how the stuff seems to be everywhere. 40% off TNW Conference! But theres a catch!Our universe is expanding....

I entered the crazy world of startup PR. I was a total novice here, honestly thinking VC meant video chat. But the switch meant more than learning a few new acronyms. I swim in the startup waters pretty comfortably now, but its been a learning curve. Pitch to journalists as you pitch to VCs. 40% off TNW Conference! I thought that was amazing. So yes, PR can really make it for startups....

Rivian today showed that people will come even before you build it. It trumps Uber which raised $8.1 billion in 2019. Pretty good for a company with almost no revenue from actual vehicle sales. By 2025, Amazon will own 100,000 EDVs, with 10,000 to be purchased by the end of 2022. Entering a dominant market:How does Rivian stack up against its two main rivals? It’s free, every week, in your inbox....

TLDR:Retro game like its 1999 with this throwback game console at a ridiculously holiday-friendly price. Because game play matters. The best part of the retro gaming renaissance? That its available now at prices even cheaper than when these games debuted up to four decades ago. It’s free, every week, in your inbox.

Universities are increasingly using computer programs to supervise university students sitting their exams. Is this the future of testing? Due to the pandemic, institutions worldwide have rapidly adopted examsoftwarelike Examplify, ExamSoft and ProctorU. Proctoring technology allows exam-takers to be monitored off-campus. Some programs simply enable a person to supervise students remotely. More sophisticated, automated proctoring software hijacks the students computer to block and monitor suspicious activity. A student’s complaint that test proctoring AI wrongly flagged her as cheating attracted millions of views on TikTok....

Apple has been annoyingly secretive about the possible development of its own Apple Car. But is it building a dream team to make that happen? And thats only the latest addition. It’s free, every week, in your inbox. The list of poached automotive experts from world-renowned companies isverylong. In June, Applesigned Ulrich Kranz, theformer co-founder and CEO of EV startup Canoo. Story byIoanna Lykiardopoulou Ioanna is a writer at TNW....

Its understandable that banks could see this as a threatdrawing away customers and even potentiallyrendering their services obsolete. 40% off TNW Conference! Theyre looking for low-cost solutions that will help them manage these financial concerns. In a number of ways, the current financial services sector is at a crossroads. An increasinglytech-savvy, smartphone-wielding generation of customers is not going to be satisfied with the status quo. Both sides face very different internal challenges....

The day has finally arrived. People have been asking for a recording feature on Clubhouse since the app launched. And after maintaining the real-time audio-only stance for months, the app is introducing Replays. This new feature will let you record your sessions, so that anyone can play them later. This sounds like a podcast, but with some… screen action? If I were listening to a Replay, I wouldnt care for this stuff....

Pac Mans a simple protagonist. He doesnt have a scruffy beard or a worried look in his eyes. Hes doesnt sling out quips or one-liners. Thats sort of how black holes work. They only do one thing: gobble up literally everything. But, just like Pac Man, they can only eat the stuff thats right next to them. Black holes and stars collide often and, usually, this results in cosmic mergers....

Thisarticlewas originally published byBuilt In. Dont quit your day job just yet. With the poorly named Great Resignation in full swing, talent is leaving the nest (prison?) of gainful full-time employment at record levels and sometimes seemingly on a whim. 40% off TNW Conference! If you lean into the gig or creator economies too hard, youre going to get burned. Its just a matter of when and how much income is at stake....

May your holidays be merry and bright. Really, really bright. It’s free, every week, in your inbox. This reliable, versatile, and portable backup battery power station is a beast. One panel alone can get the HomePower One fully charged from zero in under 20 hours. Its even waterproof to survive the times when the climate shifts unexpectedly. The battery is big enough to power up a standard smartphone 1.5 times off its stored energy....

Last month, Apple announcedits new MacBook Pro modelswith an updated M1X ARM-based processor. This means that developers can take better advantage of these power upgrades. Thats not a small amount by any means. But that hasnt stopped companies likeTwitter,Uber, and Shopify from giving their developers these machines. We’re seeing improvements in both top line performance and thermal throttling that currently plague our Intel builds. Theres a solid reason behind that: compilation time....