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Relativity Networks Raises $22 Million To Make Data Centers Faster

Data center developers are expected to invest as much as $4 trillion by the end of the decade, but finding enough power and suitable locations is becoming increasingly difficult. Relativity Networks is betting that faster fiber could help data centers overcome some of those geographic constraints.

The company announced $22 million in SAFE note funding from Rhapsody Venture Partners, Bell Ventures and Faster Than Glass, among others. It also secured a $40 million follow-on order from an unnamed hyperscaler.

Hollow-Core Fiber Cuts Latency

Relativity Networks develops hollow-core fiber, which can transmit data 50% faster than conventional fiber. Instead of sending light through glass, the technology uses a hollow center containing air or a near-vacuum, allowing signals to travel closer to the speed of light.

For a signal traveling one kilometer, CEO Jason Eichenholz estimates that conventional fiber takes about five microseconds. Hollow-core fiber can reduce that to roughly 3.5 microseconds.

Connecting Data Centers Across Greater Distances

As AI systems grow, computing resources are increasingly spread across large campuses and multiple facilities. That makes network latency more important, particularly when separate data centers need to function as a single synchronized system.

Eichenholz sees an opportunity to connect existing facilities across multiple campuses, allowing companies to locate computing infrastructure closer to available power without sacrificing as much performance.

A 50% reduction in latency could effectively allow compute facilities to be separated by greater distances while maintaining similar networking performance.

From Compute To Geography

Eichenholz describes the evolution of AI infrastructure in three stages: first optimizing computing power, then improving networking within data centers, and now optimizing where computing infrastructure is physically located.

For Relativity Networks, faster fiber could therefore become an important piece of the next phase of AI infrastructure expansion.

AI Is Everywhere, But Consumers Are Growing More Skeptical

AI is advancing rapidly, but public enthusiasm is moving in the opposite direction. Recent surveys show that more Americans are becoming concerned about the technology, while growing opposition to data centers is turning AI’s social acceptance into a business and political challenge.

A Pew Research study found that 52% of Americans are now “more concerned than excited” about the growing use of AI in daily life, up from 37% in 2021. A May Economist/YouGov poll also found that more than 70% believe AI is developing too quickly.

The political backlash is becoming harder to ignore. Axios reported that the National Republican Senatorial Committee warned major AI companies that data center projects could hurt Republican candidates in a key Ohio election.

AI’s Growing Reputation Problem

Public concern is also showing up among younger Americans. A CNBC poll found that most respondents aged 18 to 34 did not trust nine leading AI executives to act responsibly on AI.

For many consumers, AI is increasingly associated with chatbots, AI-powered search and features appearing inside everyday products, rather than with major improvements to their lives. Google has transformed Search with AI, while companies are adding AI to products ranging from email to televisions.

At the same time, people are hearing about AI being used by students to cheat, while companies face disputes over copyrighted material used to train models and generate art, music, video and writing.

That combination is creating a difficult perception: consumers are being asked to accept the disruption caused by AI without necessarily seeing enough personal benefit in return.

Data Centers Add To The Backlash

The problem extends beyond software. Tech companies are spending enormous sums building AI data centers, but communities are increasingly pushing back over issues including electricity demand, water use and infrastructure.

According to The Wall Street Journal, companies are responding with additional incentives such as employment commitments and investments in local infrastructure. One Louisiana project even included $50,000 bonuses for teachers.

Meanwhile, some consumers are gravitating toward technology that feels deliberately less connected. Young people are showing renewed interest in dumbphones, point-and-shoot cameras, cassette players and CD players. AI-free classic iPods are also attracting attention, while offline hobbies and in-person activities are gaining popularity.

The Industry Is Starting To Take Notice

Some technology executives believe the backlash is partly a communication problem. Others are increasingly acknowledging that consumers may understand AI perfectly well but simply don’t consider its current benefits worth the trade-offs.

Airbnb CEO Brian Chesky recently said on a podcast that the industry needs to build products that ordinary people genuinely value, rather than focusing primarily on AI itself.

Anthropic CEO Dario Amodei similarly described negative perceptions of AI as a “big problem” and a “crisis of trust” in a post on X. In his view, the strongest response would be for AI companies to actually deliver on their biggest promises, including breakthroughs that could significantly improve people’s lives.

For an industry that has attracted hundreds of billions of dollars on the expectation that AI will transform everyday life, technological progress alone may no longer be enough. The bigger challenge could be convincing people that they are actually better off because of it.

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