Sean O'Connor

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New math bridges holography and twistor theory

The modern-day theoretical physicist faces a taxing uphill climb. "As we learn more, reality becomes ever more subtle; the absolute becomes relative, …

Quantum Mechanics

The universe shouldn't exist, scientists say after finding bizarre behaviour of anti-matter

Our universe shouldn't exist, scientists say.<p>The most elite scientists in the world are still struggling to find why exactly our universe didn't …

Physics

The warp drive: from science fiction towards science fact?

Not so long ago we had to assume that we’ll never be able to travel faster than light. This was based on scientists’ sensible belief that we can …

Warped reality—virtual trip to hyperbolic space

Math just met "warp drive" in a virtual reality headset to transport anyone who dons the visor to a reality twisted by hyperbolic geometry. The …

Virtual Reality

The Many Worlds of Hugh Everett

<i>Editor's Note: This story was originally printed in the December 2007 issue of</i> Scientific American <i>and is being reposted from our archive in light of</i> …

Quantum Mechanics

Too many Facebook staffers prefer iPhones, company says, forcing many to switch to Android

Facebook’s chief product officer Chris Cox is insisting that an unspecified but substantial number of staff switch from iPhone to Android, in order to have an experience of the service more typical of that in emerging markets, reports <i>Wired</i>.<p>“I am mandating a switch of a whole bunch of my team over …