Japan shatters internet speed record, can download entire Netflix library in a seconds
The news: Researchers in Japan have clocked a mind-blowing 402 terabits per second (Tbps) over standard optical fiber, smashing the previous world record and leaving average U.S. broadband speeds (around 100 Mbps) in the dust—it's roughly 4 million times faster. This speed could download the entire Netflix library in seconds or transfer 12,500 high-definition movies in a single tick.
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How they did it: Led by Japan's National Institute of Information and Communications Technology (NICT), the team expanded bandwidth to 37.6 THz using multi-band wavelength division multiplexing and cutting-edge optical amplifiers. They transmitted data over 50 kilometers of commercially available fiber without fancy upgrades, proving it's scalable for real-world networks. They transmitted data over 50 kilometers of commercially available fiber without fancy upgrades, proving it's scalable for real-world networks.
Go deeper: This isn't Japan's first rodeo—they hit 319 Tbps in 2023, but the new setup doubles down on efficiency with novel signal boosters to minimize loss over long distances. Compared to global averages, it's a leap: Europe's top speeds hover around 1 Gbps, while emerging tech like 6G aims for mere terabits. Practical perks? Faster VR worlds, instant big-data analytics, and even greener data centers by optimizing traffic.
What's next: NICT eyes commercialization in the 2030s, but challenges remain—like integrating this into undersea cables without hiking costs. As AI demands explode, expect more records to fall, with rivals in the U.S. and China racing to catch up. Couple these new speeds with quantum computing – tied to AI and we could have exponential growth in research and development as well.
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