A bow-tie-shaped semiconductor (scanning electron microscope image) produces a laser beam with randomly fluctuating intensity.Credit: Kyungduk Kim Researchers have built the fastest random-number generator ever made, using a simple laser. It exploits fluctuations in the intensity of light to generate randomness — a coveted resource in applications such as data encryption and scientific simulations —
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Vega C is the next generation of the European small lift launcher developed by Avio and is now ready for the maiden flight. The rocket will also launch the Space Rider in the near future and a new smaller and versatile version is under development. Since the beginning of the Vega program, improved versions of
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By: Hannah Pell On March 7, 1995, Gary Mansfield, a health physicist at the Lawrence Livermore National Laboratory, sent out an email to members of the RadSafe nuclear safety mailing list. The subject line read: “Banana Equivalent Dose.” “Some time ago (when I almost had time to do such things), I calculated the [radiation] dose
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Instacart is being valued at $39 billion in a new round of funding that will add $265 million to the grocery delivery company’s coffers. It’s the second time Instacart’s valuation has doubled since the start of the Covid-19 pandemic. Less than five months ago, Instacart raised $200 million in a deal that valued it at
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Hank introduces us to the most beautiful numbers in nature – the Fibonacci sequence. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow Vi Hart’s Fibonacci series starts here: http://www.youtube.com/watch?v=ahXIMUkSXX0 References: http://mathdude.quickanddirtytips.com/what-is-the-fibonacci-sequence.aspx http://mathdude.quickanddirtytips.com/what-is-the-golden-ratio.aspx http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/fibnat.html http://thesavoia.com/2012/06/04/the-golden-ratio-in-flowers/
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Researchers have discovered in Argentina’s Patagonian skeletal remains of what may be a member of the oldest-known dinosaur group known as titanosaurs that includes the largest land animals in the history of Earth. The incomplete skeletal remains of the dinosaur were found south of the city of Neuquen. Scientists said the discovery of skeletons, symbolizing
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Shortly after the World Health Organization visited the Wuhan Institute of Virology on 3 February, a reporter from an international newspaper asked me whether China’s censorship would present an ‘insurmountable’ barrier to reaching an impartial conclusion on COVID-19’s origins. At the same time, my phone displayed headlines from a nationalist Chinese newspaper proclaiming that the
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Researchers who are already cited frequently have been receiving a growing share of citations since at least 2000.Credit: Getty An analysis of more than 26 million scientific studies published by more than 4 million researchers between 2000 and 2015 has found that by 2015, the top 1% most-cited authors accounted for 21% of all citations.
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When French telecommunications company Altice acquired U.S. cable companies Cablevision and Suddenlink, Chairman Patrick Drahi made a bold statement: Altice USA would rival Comcast and Charter in size, becoming one of the three dominant U.S. cable operators. Fast forward nearly six years, and Altice USA has about 5 million customer relationships, compared with about 31
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The major indexes may be kicking off the month in rally mode, but PNC Financial’s Amanda Agati sees trouble under the hood. She believes the rotation into economically sensitive market groups from stay-at-home plays is overdone. “The value side of the equation — that ‘go outside’ trade — has really moved way too far and
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Listen to a recap of the top stories of the day from Electrek. Quick Charge is available now on Apple Podcasts, Spotify, TuneIn and our RSS feed for Overcast and other podcast players. New episodes of Quick Charge are recorded Monday through Thursday and again on Saturday. Subscribe to our podcast in Apple Podcast or your favorite podcast player to guarantee
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The Prototype Infrared Payload will collect sample data to develop algorithms used to identify hypersonic missiles flying in low orbits. WASHINGTON — Northrop Grumman’s next cargo delivery mission to the International Space Station will carry a Space Development Agency payload to collect data for the development of missile-tracking sensors. The experiment known as Persistent Infrared
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Fisker says that it has given up on solid-state batteries after having announced a “breakthrough” that was supposed to enable “500 miles of range and 1-minute charging” in its electric cars. After relaunching his electric vehicle startup, Henrik Fisker started making a lot of very ambitious claims about the capabilities of the new company’s future
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SAN FRANCISCO — Maxar Technologies is continuing to diversify its business but remains in the “early innings” in attracting more defense and intelligence work, said Dan Jablonsky, Maxar president and CEO. “It’s a multiyear journey that we’re on,” Jablonsky said Feb. 24 during a company earnings call. “We do expect to gain programs over time
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Police clash with protesters in Chicago after the death of George Floyd.Credit: Jim Vondruska/NurPhoto/Getty Days after police killed George Floyd, an unarmed Black man, last May, physicist Philip Phillips was in his garden in Champaign, Illinois, incensed and racking his brain over how his scientific community could respond. Scientific institutions had not done enough to
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VALETTA, Malta — On the heels of raising $24 million in December, Orbex announced Feb. 24 that it has commissioned AMCM to build a large-volume 3D printer for manufacturing its rocket engines.  The Scottish microlauncher startup is currently developing Prime, a two-stage launch vehicle powered by six first-stage and one second-stage biopropane engines. The maiden
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Welcome to Bloxburg Roblox Cryptocurrency exchange Coinbase and gaming app Roblox are both getting set to go public through a direct listing of their shares. They have something else in common that’s likely to prove very attractive to investors: Brand awareness. Both companies spend less than 10% of their net revenue on sales and marketing.
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Listen to a recap of the top stories of the day from Electrek. Quick Charge is available now on Apple Podcasts, Spotify, TuneIn and our RSS feed for Overcast and other podcast players. New episodes of Quick Charge are recorded Monday through Thursday and again on Saturday. Subscribe to our podcast in Apple Podcast or your favorite podcast player to guarantee
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Welcome to China × Cleantech — January 2021 edition. Our China x Cleantech series covers top cleantech stories in China each month. Happy 牛 Year! I hope your Spring festival went well, Happy 牛 (NIU) Year. EV Sales China — 9.4% Plugin Vehicle Share In Another Record Month On the 28th of January, José Pontes reported on
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DARPA was part of a collaboration that developed the autonomous ship Sea Hunter, seen here on an unmanned voyage from California to Hawaii.Credit: APFootage/Alamy The UK government has released more information about its plans to launch an independent research agency that will focus on funding high-risk, high-reward science. Researchers and science-policy experts have welcomed the
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HELSINKI — India launched its first mission of the year late Saturday, sending Brazil’s Amazonia-1 Earth observation satellite and 18 smaller payloads into orbit. The 44-meter-high PSLV-C51 rocket with two solid side boosters lifted off from the Satish Dhawan Space Center on the Indian island of Sriharikota at 11:54 p.m. Eastern Feb. 28. The  PSLV
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Trinidad Hermida, Niantic Lab’s Head of Diversity & Inclusion Niantic Labs Pokémon GO maker Niantic Labs announced in early February its Black Developers Initiative (BDI), a program designed to support Black game and augmented reality (AR) app developers. The five-month program will fund new projects for Black game development teams with the intention of building
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