A fire whirl – also colloquially known as a fire devil, fire tornado, firenado, or fire twister – is a whirlwind induced by a fire and often made up of flame or ash. Fire whirls may occur when intense rising heat and turbulent wind conditions combine to form whirling eddies of air.
Satellite imaging has revolutionized our knowledge of the Earth, with detailed images of nearly every street corner readily available online. But Planet Labs’ Will Marshall says we can do better and go faster — by getting smaller. He introduces his tiny satellites — no bigger than 10 by 10 by 30 centimeters — that, when…
This is what happens when a neural network feeds back into itself.
Are all people on Earth really connected through just six steps?
What really causes addiction — to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari has seen our current methods fail firsthand, as he has watched loved ones struggle to manage their addictions. He started to wonder why we treat addicts the way we do — and if there might be a better way.
Cognitive scientist Donald Hoffman is trying to answer a big question: Do we experience the world as it really is … or as we need it to be? In this ever so slightly mind-blowing talk, he ponders how our minds construct reality for us.
Artificial intelligence is getting smarter by leaps and bounds — within this century, research suggests, a computer AI could be as “smart” as a human being. And then, says Nick Bostrom, it will overtake us: “Machine intelligence is the last invention that humanity will ever need to make.” Will our smart machines help to preserve humanity and our values — or will they have values of their own?
Race has a hold on history but no longer has a place in science. The sheer instability and potential for misinterpretation render race useless as a scientific concept. Inventing new vocabularies to deal with human diversity and inequity won’t be easy, but it must be done.