Search

Scientists Demonstrate Negative Time in Quantum Experiments at Toronto Lab

Toronto researchers showcase how photons exhibit “negative time” in quantum mechanics, reshaping scientific perspectives.

Advertisement
Highlights
  • University of Toronto physicists reveal "negative time" evidence
  • Quantum experiments redefine photon behaviour and timelines
  • Findings highlight the complexities of quantum mechanics
Scientists Demonstrate Negative Time in Quantum Experiments at Toronto Lab

University of Toronto researchers observed “negative time” in photons through quantum experiments.

Photo Credit: Pixabay/ Gerd Altmann

A new study conducted at the University of Toronto has showcased experimental evidence of “negative time” in the quantum realm. While this concept has intrigued scientists for years, it has primarily been dismissed as a theoretical anomaly. The findings, which remain unpublished in a peer-reviewed journal, have sparked significant attention within the global scientific community after being shared on the preprint server arXiv. Researchers have clarified that this phenomenon, while perplexing, does not alter the broader understanding of time but instead highlights the peculiarities of quantum mechanics.

Insights Into the Experiment

Led by Daniela Angulo, an experimental physicist at the University of Toronto, the research team focused on interactions between light and matter. By measuring the behaviour of photons as they passed through atoms, the scientists observed that the atoms entered a higher-energy state, only to return to their normal state almost instantaneously. This change in energy duration was quantified, revealing a negative time interval.

Aephraim Steinberg, a professor of experimental quantum physics at the university, explained during a press interaction that while the findings might suggest particles travel back in time, this interpretation would be incorrect. Instead, the results demonstrate the probabilistic behaviour of quantum particles, which challenges traditional understandings of time.

Scientific and Public Reactions

This discovery has drawn both fascination and scepticism. Prominent physicist Sabine Hossenfelder criticised the interpretation in a widely-viewed video, asserting that the phenomenon described relates to photon travel and phase shifts rather than the passage of time. In response, the researchers emphasised the importance of exploring the complexities of quantum mechanics to better understand anomalies like these.

Steinberg acknowledged the controversy surrounding their approach but defended their interpretation of the results. He stated, according to reports, that while immediate practical applications are not apparent, the research could open doors to further investigation of quantum phenomena.

 

For the latest tech news and reviews, follow Gadgets 360 on X, Facebook, WhatsApp, Threads and Google News. For the latest videos on gadgets and tech, subscribe to our YouTube channel. If you want to know everything about top influencers, follow our in-house Who'sThat360 on Instagram and YouTube.

 
Show Full Article
Please wait...
Advertisement

Related Stories

Popular Mobile Brands
  1. Asus Announces Discounts on These Laptops Ahead of Amazon Prime Day
  2. Infinix Hot 60 5G+ Launched in India With Custom AI Button: See Price
  3. Vivo T4R 5G Tipped to Launch in India Soon With This Chipset
  4. iPhone 17 Pro Alleged Hands-on Images Leak Online
  5. Realme Note 70T Key Specifications, Design Surface Online
  6. Vi 5G Services Rolled Out in Mysuru With Unlimited 5G Data on Some Plans
  7. Ray-Ban Meta Glasses Successor's Design Leaked via Alleged Renders
  8. YouTube Trending Page To Shut Down On July 21
  9. Apple Plans to Launch iPhone 17e, M5 MacBook Pro and More Devices in 2026
  10. Google Pixel 10 Pro Fold Spotted on Geekbench With 16GB RAM, Android 16
  1. Apple Researchers Create an AI Model That Uses Behavioural Data from Wearables to Predict Health Signals
  2. Razer DeathAdder V4 Pro Gaming Mouse With Optical Scroll Wheel Launched in India
  3. Xiaomi 14 Ultra Receiving Stable HyperOS 2.2 Update in India: Report
  4. Samsung's Galaxy S26 Lineup May Skip the Plus Model in Favour of Edge Model
  5. Global Smartwatch Shipments Dip 2 Percent YoY in Q1 2025, While China Sees Growth: Counterpoint
  6. Vodafone Idea (Vi) 5G Services Rolled Out in Mysuru, Subscribers to Get Unlimited 5G Data on Some Plans
  7. YouTube Trending Page To Shut Down On July 21, 10 Years After Its Launch
  8. Amazon Web Services (AWS) Reportedly Launching a Marketplace for AI Agents
  9. Ghost of Yotei Gameplay Deep Dive Reveals Clues-Based Exploration, Combat a New Game Modes
  10. Xiaomi 15T Pro Allegedly Spotted on FCC Database; RAM and Storage Details Tipped
Gadgets 360 is available in
Download Our Apps
App Store App Store
Available in Hindi
App Store
© Copyright Red Pixels Ventures Limited 2025. All rights reserved.
Trending Products »
Latest Tech News »