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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.

NERDs Replace FIRE As Young Workers Lose Confidence In Retirement

The FIRE movement promised younger workers a path to financial independence and early retirement. Now, a different group is emerging in the UK: NERDs, or the “Never Ever Retiring Demographic.”

Growing pessimism among Gen Z and millennials is driving the shift, with many questioning whether retirement will ever be financially achievable. Some are responding by reducing or abandoning pension contributions altogether.

Young Workers Are Losing Confidence In Retirement

Research from People’s Pension, a major UK workplace pension provider, found that 47% of Gen Z respondents aged 18 to 27 do not engage with their pension. Another 12%, equivalent to about 2.2 million young people, have stopped saving for retirement because they expect to work indefinitely.

Wider financial pressures are contributing to that outlook. High living costs have pushed milestones such as homeownership, marriage, having children and retirement further away for many younger workers, while inflation, layoffs and stagnant wages have added to uncertainty.

Pension Providers Face A Communication Gap

Financial pressure is only part of the problem. Young workers also say pension providers are failing to explain long-term saving in ways that feel relevant to them.

About 36% of respondents said providers do not explain retirement saving effectively. Among them, 27% said companies appear more focused on selling products than educating customers, while 16% cited complicated language and jargon.

A clear generational difference emerges in the responses. Some 29% of Gen Z respondents said providers fail to explain why pension saving matters, compared with 13% of Gen Xers and Baby Boomers. Similarly, 17% of Gen Z said providers do not use channels they engage with, versus 4% among older generations.

Clearer information could influence behavior. About 70% of Gen Z respondents said they would have started saving earlier if they had known that beginning in their 20s could potentially double their retirement pot compared with starting in their 30s. Another 63% said learning about tax relief and employer contributions motivated them to save.

“In a world where financial doom dominates pension conversations, young savers are tuning out,” said Kirsty Ross, proposition director at People’s Pension. “Our research shows they are not disengaged because they don’t care, they are disengaged because the messages aren’t working.”

Young Savers Want Simpler Tools

Progress bars and goal trackers were among the most popular tools respondents said could make pensions more relevant, cited by 31%. Another 26% wanted reassurance that they could start with small amounts, while 23% wanted examples of what people their age are doing.

Clear, bite-sized steps were cited by 22%, while 19% said light-hearted and relatable stories could make pensions more accessible.

People’s Pension has responded with Pension Drop, a campaign using social media influencers, live events and lifestyle personalities to encourage conversations about retirement saving.

“Looking back, I really wish I’d started earlier,” said Iain Stirling, comedian, TV presenter and Pension Drop ambassador. He said contributions made in someone’s 20s or 30s can make a significant difference later, while employer contributions and tax relief can increase the value of smaller payments.

Small Changes Can Improve Long-Term Saving

Stirling urged younger workers to check their pension provider, establish whether they have multiple pension pots and make sure they are contributing enough to receive the full employer match.

He also recommended increasing contributions after a pay rise or bonus, allowing workers to raise long-term savings without making a large immediate change to their spending.

For younger workers facing high living costs and uncertain career prospects, pension saving remains a difficult sell. Clearer information about employer contributions, tax relief and the long-term effect of starting early could help make retirement planning more tangible.

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