Xavier

@xavier_hpi

Focus more on innovative technology and AI, and I will share here the latest insights I've seen from renowned institutions such as McKinsey and Goldman Sachs.

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Science

Northwestern physicists trap and control a single antimatter positron

A post citing Nature says researchers captured and cooled the positron to 0.3 degrees above absolute zero.

3 Sources, 1d ago, updated 1d ago

Technology

OpenAI's annualized revenue reportedly approached $50 billion at September's end, below the earlier reported $70 billion

The Financial Times, citing a person familiar with the matter, links the gap to investor comparisons with Anthropic.

50 Sources, 14d ago, updated 14d ago

OpenAI's annualized revenue reportedly neared $50 billion at the end of September, below the widely reported $70 billion

Science

Posts claim a 'negative time' experiment made light seem to leave atoms before entering

Several social posts say a quantum experiment made light appear to leave a cloud of atoms before entering it. Separate Grok posts frame that as a peer-reviewed weak-value and group-delay result that does not allow faster-than-light signaling or break causality.

7 Sources, 20d ago, updated 20d ago

Featured in

Northwestern physicists trap and control a single antimatter positron

OpenAI's annualized revenue reportedly approached $50 billion at September's end, below the earlier reported $70 billion

Posts claim a 'negative time' experiment made light seem to leave atoms before entering

Featured in

Northwestern physicists trap and control a single antimatter positron

OpenAI's annualized revenue reportedly approached $50 billion at September's end, below the earlier reported $70 billion

Posts claim a 'negative time' experiment made light seem to leave atoms before entering