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China fiber trial cuts internet delay

· Fact-checked before it aired. Unconfirmed claims from this segment are not shown.

China Telecom Research Institute, YOFC and ZTE completed the world's first bidirectional real-time transmission test over a hollow-core-fiber link of 1,007.48 km. The trial achieved 64 Tbps in each direction — 128 Tb/s total — using 800 Gb/s per wavelength with PCS-16QAM modulation across the extended C+L band. One-way signal transmission over 1,000 km took about 3.43 milliseconds, setting a new real-time hollow-core fiber distance record, according to Global Times/CCTV.

Most deployed fiber is solid-core, meaning signals pass through silica glass. Hollow-core fiber transmits through an air-filled channel, reducing signal delay by about 30% and enabling higher capacity over longer distances. China is positioning the technology for next-generation communication and computing-power networks, AI/data-center traffic, and ultra-low-latency uses such as financial networks.

The claim is based on a real Chinese hollow-core fiber breakthrough, but “30% faster” refers mainly to signal delay, not a 30% increase in bandwidth. The experiment ran over 1,007.48 km and China Telecom says hollow-core fiber cuts latency by about 30% compared with solid-core fiber, while doubling capacity and extending reach by 60%.

BBC News reports that its BBC Verify unit authenticated footage showing damage to the Aramco Tower in Riyadh's central financial district after Houthi strikes.

BBC News reports that two trains traveling in the same direction collided outside Giza, Egypt; several carriages derailed, leaving seven people dead and more than 100 injured.

Fact-check

VERIFIED TRUE

The claim is based on a real Chinese hollow-core fiber breakthrough, but “30% faster” refers mainly to signal delay, not a 30% increase in bandwidth. The experiment ran over 1,007.48 km and China Telecom says hollow-core fiber cuts latency by about 30% compared with solid-core fiber, while doubling capacity and extending reach by 60%.

BREAKING NEWS JUST IN: 🇨🇳 China develops new fiber-optic technology that transmits data 30% faster than traditional cables over long distances.

Original post · Global Watch (@abuzarali749)

[globaltimes.cn](https://www.globaltimes.cn/page/202611/1373868.shtml); [kjj.wuhan.gov.cn](https://kjj.wuhan.gov.cn/xwzx8/kjspxw/202611/t202611052874353.html)

VERIFIED TRUE

BBC News reports that its BBC Verify unit authenticated footage showing damage to the Aramco Tower in Riyadh's central financial district after Houthi strikes.

Aramco Tower hit in heart of Saudi capital as Houthis launch fresh strikes - Footage authenticated by BBC Verify shows damage to the building in the capital's central financial district.

Original post · the BBC

[bbc.co.uk](https://www.bbc.co.uk/news/articles/c6ly3mjx958eo?atmedium=RSS&atcampaign=rss) NAMES: Aramco = Saudi Arabia's state-controlled oil company, Saudi Ar

VERIFIED TRUE

BBC News reports that two trains traveling in the same direction collided outside Giza, Egypt; several carriages derailed, leaving seven people dead and more than 100 injured.

Seven dead and more than 100 injured after trains collide in Egypt - Several carriages derailed after two trains travelling in the same direction crashed outside the city of Giza.

Original post · the BBC

[bbc.co.uk](https://www.bbc.co.uk/news/articles/cwvgr20mmmevo?atmedium=RSS&atcampaign=rss)

Sources

What the hosts said

BA post from Global Watch on X claims China built fiber that moves data thirty percent faster over long distances.
BIt's a real test, but "faster" is the wrong word. It cuts latency, not a thirty percent jump in bandwidth.
BLower latency means less waiting on the line. That still sounds meaningful.
BIt is. The test ran hollow-core fiber over one thousand kilometers, air in the middle instead of solid glass.
BAnd it was bidirectional real-time—China Telecom, YOFC, and ZTE pushed sixty-four terabits per second each way.
BOne signal crossed that distance in about three and a half milliseconds.
BFor a trading desk or an AI data center, that is the difference between winning and losing.
BBut for most people, downloads won't change. Calling it faster internet oversells it.
BThat's like saying a new jet engine only matters to pilots. Infrastructure breakthroughs start narrow and spread.
BNo, no—wait, that's my whole point. Infrastructure takes years, and this is a state-run trial with no commercial timetable.
BWhat, we just wait until China wires the whole country, then announce we're behind?
BI'm not saying ignore it. I'm saying don't confuse a lab trial with a finished network.
BFair, but the trial doubled capacity and extended reach by sixty percent. That's not vaporware.
BIt's promising, not vaporware. But the post talked up the speed boost, and that's the part I won't stand behind.
BOkay, you're right on the label. But the scale is a signal. If hollow-core scales, the internet's plumbing gets rebuilt.
B"If" does a lot of work tonight.
BIt does. But I'd rather watch this than another crypto rumor.
BLet's finish the correction. China Telecom's chief expert Huo Xiaoli told CCTV the fiber cuts delay by about thirty percent and can reuse existing equipment.
BRight. That is the part the post mangled. Data doesn't move thirty percent more, it starts moving sooner.
BExactly. And industry analysts see uses in enterprise cloud, high-frequency trading, and internet backbone efficiency.
BNo commercial date yet, but the Global Times and CCTV are framing this as a step toward replacing solid-core fiber.
BThey are. That is a direction, not an arrival.
BA direction is enough to matter. The internet is about to be rebuilt for AI and computing power, and China just showed a working piece.
BAnd I'd push back: one long link is not a working network.
BIt's a record-setting stretch that carried real traffic both ways, as far as the trial reports go.
BIt is a science experiment that succeeded. There is a difference.
BIt is the first mile of the next backbone, not a science fair project!
BThen call me when it carries a city's traffic. Until then, I'll hold the celebration.
BYou are impossible. You want proof, they gave proof, now it's not enough proof.
BI want proof it scales beyond one controlled test. That is not unreasonable.
BFine. I'll grant the commercial caveat. But the record is real, the latency cut is real, and the direction is clear.
BAnd that's a fair way to say it. Not thirty percent faster internet.
BDeal. It's a lower-latency future that is closer than it was last week.
BDifferent world entirely: Flash Point Wire on X is floating a Russia-Iran rumor.
BLet me guess—it involves a treaty and a weapons shipment.
BClose. It says Iran's Mohsen Rezaei discussed a cooperation treaty with Putin, tied to a rocket launcher deal.
BThe post literally asks Grok if it's confirmed. That's a red flag before we even get to the claim.
BIt's a claim looking for proof. Nothing official from Moscow or Tehran, and no independent confirmation.
BThe backdrop is real enough. Russia and Iran have been getting closer, so the rumor catches fire.
B"Moving closer" is not the same as this specific treaty or launcher deal.
BRight. And the rocket-launcher detail is exactly what people add to make a rumor feel specific.
BIf it were confirmed, real outlets would be reporting it, not an account asking a chatbot.
BAsking a chatbot to confirm your breaking news is a new low for sourcing.
BUntil Moscow or Tehran says something, it's a rumor with rocket emojis.
BI don't mind admitting I'm curious. If something real is behind it, it will show up in official channels.
BThen we cover it then.
BExactly. Not now.

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