Discover Innovative Methods for Sending Messages Throughout History

A Closed Time-like Curve: A Path to the Past

Roman Budnikov/Alamy

What if you could communicate with the past? Surprisingly, the laws of physics don’t rule this out. In some cases, sending messages backward in time could be more feasible than we imagine.

The potential for sending messages into the past stems from specific solutions to the equations of general relativity. This foundational theory of physics explains how the fabric of spacetime operates, showing that all objects traverse paths through time and space. Among these paths is the concept of a closed time-like curve (CTC), where an object journeys into the future before looping back to the past.

However, creating a CTC on a cosmic scale poses a significant challenge, as it necessitates bending spacetime—a feat that demands an enormous amount of energy. This complication seems to render backward messaging impossible, but quantum entanglement might offer a potential workaround.

In quantum mechanics, entangled particles exhibit a unique property: the state of one particle directly influences the state of another, regardless of distance. Some physicists theorize that this connection implies one particle could send messages back in time to inform its counterpart of future events.

While this theory is debated, in 2010, Seth Lloyd and colleagues at the Massachusetts Institute of Technology demonstrated this concept using entangled photons to simulate a quantum CTC. “It’s akin to sending a photon back in time for mere nanoseconds with the intention of eliminating your previous self,” Lloyd explained.

Lloyd’s team then envisioned a scenario where the CTC experienced interference, similar to a faulty phone line. Analyzing the communication capacity of these “noisy” channels is a common challenge in information theory. To their surprise, they discovered that communicating with the past could actually outperform traditional communication methods, even with noise present.

Team member Kaiyuan Ji noted that their inspiration came from the film Interstellar. In a pivotal scene, Matthew McConaughey’s character sends a message to his daughter from the past by manipulating a clock using a CTC. Considering this as a noisy quantum channel, they found that messages sent backwards in time could be understood better, as the sender could access past memories, enhancing message decoding. “Fathers recall how their daughters interpret future messages, allowing them to optimize their message encryption,” Ji added.

While practical time travel remains hypothetical, improved communication strategies for noisy devices are valuable, according to Lloyd. “Creating a physical closed time-like curve poses immense challenges. However, all channels have noise,” he remarked. The findings from Lloyd’s research could be adapted to similar experiments using photons, potentially uncovering new avenues for effective communication, even in conventional contexts.

Andreas Winter from the University of Cologne highlighted that the study illustrates how feedback types can enhance communication protocols, allowing future senders to draw on their memories. However, he notes that the chances for practical applications are minimal. “As far as we know, time travel or sending signals back in time isn’t feasible in our universe. We are unaware of any mechanisms that could facilitate such phenomena,” he concluded.

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Source: www.newscientist.com

‘Kingmaker’ TikTok on the Verge of Ban, Sending US Music Industry into Panic

On a recent Monday morning, Olivia Shalhoup opened her laptop and braced herself for the day’s meetings. As the founder of marketing and PR agency Amethyst, about 40% of her work focuses on helping musicians take advantage of TikTok. Her client was nervous that day, with a Supreme Court decision looming and the fate of the app in the United States hanging in the balance. “The key thing we talked about on every call was, ‘What are we going to do?'” Shalhoup said. “It’s no exaggeration to say that TikTok is critical to artists’ campaigns at this point. No one is immune to this.”

Since its debut in 2017, TikTok has become a star-making machine, with short-form video content overtaking traditional music promotion formats like TV and radio. This app features up-and-coming artists. A-listers promotes the rise to top of the chart And make Magic FM classics like Running Up That Hill a Generation Alpha hit. With the help of TikTok, Lil Nas Ta. More recently, songs such as Djo’s “End of Beginning” and Artemas’ “I Like the Way You Kiss Me” have become global hits after going viral on the app. The ability to track a song’s tenacity, engagement, and reach is a label executive’s dream, and one that author John Seabrook provides. I called “Real-time global callout data” helps leading companies make smarter trades.

Lil Nas X performs in New Jersey in 2019. The rapper and singer’s career soared after his smash single “Old Town Road” went viral on TikTok. Photo: Scott Ross/Invision/AP

“Right now, most label strategies rely heavily on TikTok,” said Ray Uskata, managing director of the Americas at music marketing agency Round. “It’s not just an entertainment platform, it’s a discovery platform. People go to Instagram to see what their friends are up to, they go to YouTube to see what their favorite creators are up to. I go to TikTok to see something new.”

The key to TikTok’s success is a feed filled with algorithmic recommendations that seem to know you better than you know yourself, and keep you in tune, sometimes unnervingly, with the trends and music you’re obsessed with. We provide you with a stream of carefully selected content.

It was enough to give lawmakers pause. In April, the U.S. Congress ordered TikTok’s parent company ByteDance to sell the app to a U.S.-based owner, citing national security concerns over possible manipulation of TikTok by the Chinese government and its collections. They passed a law forcing them to do so or face complete closure. Sensitive User Data Signed by Joe Biden. On January 10th, the Supreme Court convened to decide whether to force TikTok to go dark in the US on January 19th. Despite widespread protests from the creators (and the ACLU) slam On January 17, a court upheld a law that threatens to kill the app in the United States (the proposal is unconstitutional).

Music’s new kingmaker

Many marketers say they are at a loss. “I think a lot of people are in denial,” said Meredith Gardner, co-founder of agency Tenth Floor and former senior vice president of digital marketing at Capitol Records. She said that as recently as 10 days ago, potential clients at major labels were still talking about TikTok as a priority. “I think a lot of people are still hopeful that there will be some form of Hail Mary,” Gardner said.

Artists and record labels view TikTok as the closest thing to a kingmaker in today’s fragmented mainstream music industry, making it difficult to imagine a future without it. “If you look at the top 50 in the world, [chart] Compared to the viral charts, on Spotify, most of these songs are currently charting or trending on TikTok,” Uskata says. “These aren’t actually from other platforms.”

Its influence spreads worldwide. Patrick Clifton, a UK-based music and technology strategy consultant, says the power of TikTok’s network effects in the vast US market is such that it influences what people listen to on Spotify, and that TikTok directly connects Spotify to Spotify. It states that you can click through to listen to the song. Post – Around the World.

“TikTok has been a huge catalyst for music trends in the U.S., and the size and distribution of its user population in the U.S. has made it a catalyst for algorithmic trends on platforms like Spotify around the world,” Clifton said. I say. Therefore, the US ban could change what Spotify offers to listeners in regions where TikTok is still available, such as the UK.

Jeff Halliday, vice president of marketing for Downtown Artist & Label Services, said a potential ban “would immediately cause a lot of disruption.” “It’s like every stage of grief. At first it was mostly denial. A lot of people thought, ‘That’s never going to happen.’ And then the negotiation begins where you say, ‘Well, there’s another way.'”

In the face of uncertainty, marketers are advising artists not to put all their eggs in one basket. Gardner said he tells the artists he works with to take a cue from the pre-iTunes era and cultivate a digital Rolodex of fans. She was recently contacted by a singer-songwriter client seeking advice on how to share his rich archive of demos and home recordings with listeners. In another era, a collection like this would seem tailor-made for TikTok, but Gardner took a different view. “We encourage TikTok to launch Substack.”

Source: www.theguardian.com

Discover the message NASA is sending to Europa, Jupiter’s icy moon.

Illustration of NASA’s Europa Clipper spacecraft

NASA/JPL-California Institute of Technology

In October, NASA’s Europa Clipper spacecraft will begin a journey to explore Jupiter’s icy moon Europa (imagined above).

NASA has asked METI International, the scientific organization I lead, to leverage our expertise in trying to make contact with extraterrestrial intelligence by creating a symbolic engraved tantalum plate on a spacecraft. We asked them to help us create a message, a greeting from one water world to another.

We helped create two parts of the message. First, we collected a globally representative sample of recordings of water words in 103 languages. Each language is displayed as a waveform on the outside of the panel (pictured above) that protects sensitive scientific equipment.

On the other, inward-looking side (see below), we designed the scientific part of the message. This refers to water in terms of the “water hole,” a frequency band between the hydrogen and hydroxyl (combining to form water) emission lines in the radio spectrum where many of the early searches for intelligence beyond Earth took place. I’m explaining.

Other parts of the internal message include: Drake equation to estimate the number of extraterrestrial civilizations in the galaxy. Microchips containing the names of 2.6 million supporters will be added soon.and Poet Laureate of the United States Ada Limon’s Poem to Europa ends like this. “O second moon, we too / are made of water, of a vast, beckoning ocean… / of the need to call out in the darkness.” The European Clipper will fly to Jupiter in April 2030. We are planning to enter the orbit of

douglas vacochChairman of Ministry of Economy, Trade and Industry International

topic:

  • Jupiter/
  • space exploration

Source: www.newscientist.com