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The Rise of AI :
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A 74-year-old woman has given birth to twin girls in the southern Indian state of Andhra Pradesh, reviving several controversies around geriatric pregnancies.
The doctor who delivered the babies, Sankkayala Uma Shankar, told The Washington Post on Friday that the mother, Mangayamma Yaramati, provided a birth certificate showing that she is 74, though some news outlets have reported that she is 73.
Shankar, an IVF specialist, delivered the twins via Caesarean section Thursday, and told The Post that the mother and the babies are doing well.
Researchers around the world are constantly looking for ways to enhance or transcend the capabilities of electronic devices, which seem to be reaching their theoretical limits. Undoubtedly, one of the most important advantages of electronic technology is its speed, which, albeit high, can still be surpassed by orders of magnitude through other approaches that are not yet commercially available.
A possible way of surpassing traditional electronics is through the use of antiferromagnetic (AFM) materials. The electrons of AFM materials spontaneously align themselves in such a way that the overall magnetization of the material is practically zero. In fact, the order of an AFM material can be quantified in what is known as the ‘order parameter.’ Recent studies have even shown that the AFM order parameter can be ‘switched’ (that is, changed from one known value to another, really fast) using light or electric currents, which means that AFM materials could become the building blocks of future electronic devices.
However, the dynamics of the order-switching process are not understood because it is very difficult to measure the changes in the AFM order parameter in real time with high resolution. Current approaches rely on measuring only certain phenomena during AFM order switching and trying to obtain the full picture from there, which has proven to be unreliable for understanding other more intricate phenomena in detail. Therefore, a research team lead by Prof. Takuya Satoh from Tokyo Tech and researchers from ETH Zurich, developed a method for thoroughly measuring the changes in the AFM order of an YMnO3 crystal induced through optical excitation (that is, using a laser).
According to a 19th century legend, the Truth and the Lie meet one day. The Lie says to the Truth: “It’s a marvellous day today”! The Truth looks up to the skies and sighs, for the day was really beautiful. They spend a lot of time together, ultimately arriving beside a well.
The Lie tells the Truth: “The water is very nice, let’s take a bath together!” The Truth, once again suspicious, tests the water and discovers that it indeed is very nice. They undress and start bathing. Suddenly, the Lie comes out of the water, puts on the clothes of the Truth and runs away.
The furious Truth comes out of the well and runs everywhere to find the Lie and to get her clothes back. The World, seeing the Truth naked, turns its gaze away, with contempt and rage.
Applying a gel to damaged teeth stimulates the enamel to re-grow – a finding that could stop people from developing cavities that must be drilled and filled.
