If reality is a data structure, can the simulation theory hold up?

Exploring the idea that objects we perceive in everyday life do not reflect objective reality.

  • Professor of cognitive science Donald Hoffman presents his theory that the world we perceive is a virtual reality. Hoffman has tested this theory by running successful computer simulations that suggest there is no objective reality.
  • When it comes to Nick Bostrom's simulation theory, Hoffman agrees with parts and disagrees with others. Hoffman argues that, while space time and physical objects do not correspond with objective reality, conscious experiences like the smell of garlic and the feel of velvet cannot be produced by the simulation.
  • "You can't start with unconscious ingredients and boot up consciousness," Hoffman says.

'Deep Nostalgia' AI brings old photos to life through animation

Using machine-learning technology, the genealogy company My Heritage enables users to animate static images of their relatives.

Deep Nostalgia/My Heritage
Technology & Innovation
  • Deep Nostalgia uses machine learning to animate static images.
  • The AI can animate images by "looking" at a single facial image, and the animations include movements such as blinking, smiling and head tilting.
  • As deepfake technology becomes increasingly sophisticated, some are concerned about how bad actors might abuse the technology to manipulate the pubic.
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When does an idea die? Plato and string theory clash with data

How long should one wait until an idea like string theory, seductive as it may be, is deemed unrealistic?

Credit: araelf / Matthieu / Big Think via Adobe Stock
13-8
  • How far should we defend an idea in the face of contrarian evidence?
  • Who decides when it's time to abandon an idea and deem it wrong?
  • Science carries within it its seeds from ancient Greece, including certain prejudices of how reality should or shouldn't be.
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Physicist creates AI algorithm that may prove reality is a simulation

A physicist creates an AI algorithm that predicts natural events and may prove the simulation hypothesis.

Credit: Adobe Stock
Surprising Science
  • Princeton physicist Hong Qin creates an AI algorithm that can predict planetary orbits.
  • The scientist partially based his work on the hypothesis which believes reality is a simulation.
  • The algorithm is being adapted to predict behavior of plasma and can be used on other natural phenomena.
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Can you still spread coronavirus after getting the vaccine?

The vaccine will shorten the "shedding" time.

Fredrik Lerneryd/Getty Images
Coronavirus
Editor's note: So you've gotten your coronavirus vaccine, waited the two weeks for your immune system to respond to the shot and are now fully vaccinated.
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