to her friend’s home at night to deliver the life-saving gas.
Only then did she
discover that she had been swindled and the “oxygen cylinder was actually a fire extinguisher.
Her friend’s father died the next day, leaving Ms Arora distraught at the loss and shocked at being cheated at time when the raging pandemic had forced people to rely on the illegal market for medicines and medical oxygen to save loved ones.
She complained to the police, who said they arrested the men on charges of cheating and endangering public safety and seized five more fire extinguishers that they had planned to sell.
Scientists have taken cues from the eyes of mantis shrimp to design a new type of optical sensor that is quite small to fit on a smartphone but can also perform polarimetric and hyperspectral imaging.
Inspired by the eyes of mantis shrimp, researchers have developed a new kind of optical sensor that is small enough to fit on a smartphone but is capable.
Mantis shrimp inspires new breed of light sensors eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.