Stockholm (AP): John Hopfield and Geoffrey Hinton were awarded the Nobel Prize in physics Tuesday for discoveries and inventions that formed the building blocks of machine learning.

“This year's two Nobel Laureates in physics have used tools from physics to develop methods that are the foundation of today's powerful machine learning,” the Nobel committee said in a press release.

Hopfield's research is carried out at Princeton University and Hinton works at the University of Toronto.

Three scientists won last year's physics Nobel for providing the first split-second glimpse into the superfast world of spinning electrons, a field that could one day lead to better electronics or disease diagnoses.

The 2023 award went to French-Swedish physicist Anne L'Huillier, French scientist Pierre Agostini and Hungarian-born Ferenc Krausz for their work with the tiny part of each atom that races around the center and is fundamental to virtually everything: chemistry, physics, our bodies and our gadgets.

Six days of Nobel announcements opened Monday with Americans Victor Ambros and Gary Ruvkun winning the medicine prize for their discovery of tiny bits of genetic material that serve as on and off switches inside cells that help control what the cells do and when they do it.

If scientists can better understand how they work and how to manipulate them, it could one day lead to powerful treatments for diseases like cancer.

The physics prize carries a cash award of 11 million Swedish kronor (USD 1 million) from a bequest left by the award's creator, Swedish inventor Alfred Nobel. It has been awarded 117 times. The laureates are invited to receive their awards at ceremonies on December 10, the anniversary of Nobel's death.

Nobel announcements continue with the chemistry physics prize on Wednesday and literature on Thursday. The Nobel Peace Prize will be announced Friday and the economics award on October 14.

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ISLAMABAD: At least two more cases of poliovirus were reported in Pakistan, taking the number of infections to 52 so far this year, a report said on Friday.

“The Regional Reference Laboratory for Polio Eradication at the National Institute of Health has confirmed the detection of two more wild poliovirus type 1 (WPV1) cases in Pakistan," an official statement said.

The fresh infections — a boy and a girl — were reported from the Dera Ismail Khan district of Khyber-Pakhtunkhwa province.

“Genetic sequencing of the samples collected from the children is underway," the statement read. Dera Ismail Khan, one of the seven polio-endemic districts of southern Khyber Pakhtunkhwa province, has reported five polio cases so far this year.

Of the 52 cases in the country this year, 24 are from Balochistan, 13 from Sindh, 13 from Khyber Pakhtunkhwa, and one each from Punjab and Islamabad.

There is no cure for polio. Only multiple doses of the oral polio vaccine and completion of the routine vaccination schedule for all children under the age of five can keep them protected.