Scientist creates camera that films in 3D at 100 billion frames per second, fast enough to capture light traveling
A scientist has created a new ultra high speed camera that films in 3D and can capture lightwaves as they move. The impressive machine may help us unravel one of physics’ greatest mysteries.
Lihong Wang’s invention is an improvement on his original camera design, which could capture 70 trillion frames per second in 2D.
The Caltech scientist announced his original compressed ultrafast photography (CUP) camera back in January, which can record at an astonishing rate, but could only produce flat images.
Since then, by diligently working through Covid-19 lockdowns, Wang kept busy and has now produced a camera which can capture light as it travels in three dimensions at a rate of 100 billion frames per second. For context, most high-end smartphone cameras can only shoot at 60 frames per second.
In other words, the camera, dubbed the “single-shot stereo-polarimetric compressed ultrafast photography,” or SP-CUP for short, can take 10 billion pictures in less than the blink of an eye.
Wang added the 3D element to the camera by mimicking how humans see the world around us, adding depth perception to images in much the same way our two eyes do for us.
“The camera is stereo now,” he says. “We have one lens, but it functions as two halves that provide two views with an offset. Two channels mimic our eyes.”
The computer that runs the SP-CUP camera then processes the two visual signals into a three-dimensional movie, much the same way our own brains process visual stimuli from the world around us.
The camera is so quick it can also capture the polarization of light waves, which is the direction that individual waves of light radiation vibrate as they travel.
Wang believes the technology has a multitude of scientific applications but is most excited by the prospect that it could help unravel the mystery surrounding sonoluminescence, the phenomenon in which bubbles generated by sound waves in liquids release light as they collapse.
Pakistan blast: At least seven dead in Peshawar school attack
At least seven people have died after an explosion during a class at a religious school in Pakistan, police have said.
Children of various age groups are among the dead, an officer at the scene told the BBC.
Dozens of others were injured in the attack, which took place in the northern city of Peshawar.
No group has yet claimed responsibility. An investigation has been launched.
The city of Peshawar, close to the Afghan border, has seen some of the worst of the violence during the Taliban insurgency in recent years.
Six years ago, gunmen stormed a military school in the city leaving more than 150 dead, including many children.
The blast took place at about 08:30 local time (03:30 GMT), police told the BBC.
About 60 people are understood to have been in the class at the religious school, known as a madrassa.
An eyewitness has told the police he saw a man enter the building with a bag of explosives shortly before the blast.
news agency that two teachers were injured.
Hospital officials told Reuters news agency that they had received dozens of injured, many with burns.
Duterte seeks best Covid vaccine deal but ‘will not beg’ or allow private suppliers to rip off Philippines
Philippine President Rodrigo Duterte said he would pursue a direct government-to-government deal for a coronavirus vaccine with either China or Russia, warning that ‘corrupt’ private suppliers could try to swindle his country.
“Let me tell everybody that we will not beg, we will pay,” Duterte said in a televised address on Monday night, adding that while Manila is not seeking charity it also aims to sign a direct government-to-government deal without intermediaries.
The president did not indicate the status of vaccine negotiations with Beijing or Moscow, saying he merely mentioned the two countries as possible sources out of a “sense of urgency,” and that “all options” were still on the table.
The one that could give us the best interest for the country will be chosen.
Duterte stressed the need to obtain an inoculation directly from a friendly foreign state, rather than a private business, warning that such transactions could only bring “trouble” and that a government deal would mean “no corruption.”
Under its proposed national budget for 2021, Manila will devote some 2.5 billion Philippine pesos ($51.6 million) to vaccine procurement, which Duterte said would be overseen by Finance Secretary Carlos ‘Sonny’ Dominguez III.
“Since he is going to pay, I will listen to Sonny. If there are no funds, he will go to jail,” the president said, apparently threatening prison time for a member of his own cabinet.
Duterte previously torched Western pharma firms developing coronavirus immunizations, saying they were “all about profit,” pointing to some companies who asked for a “cash advance before they deliver the vaccine.” The leader gave a stern warning to any company who offered similar proposals, vowing “I’ll kick your a**.”
Though the president has offered to be the first in his country to take the jab developed in Russia, Sputnik V, it is not clear whether such an arrangement has been made. However, Moscow’s ambassador to the island nation, Igor Khovaev, recently stated the jab could be available to the Philippines by the end of the year.
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At least 7 killed, 70 wounded after bomb goes off at religious school in Pakistan – hospital official
At least seven people were killed and more than 70 wounded in an explosion inside a seminary in northern Pakistan on Tuesday morning. Children are among the victims.
The blast took place in Peshawar, the capital of the northwestern Khyber Pakhtunkhwa province. Senior police official Wagar Azim told AFP that a bomb brought inside the Speen Jammat mosque, which also functions as a religious school for local children, went off in the middle of Quran studi
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