A teacher has been jailed for 12 months for the manslaughter of a 10-year-old boy who drowned while on a <b>school trip </B>to the Lake District. Max Palmer died after plunging into a pool as part ...

We introduce a quadrant photodetector (QPD)based pupil tracker that outperforms traditional camera systems in speed and cost-efficiency. This innovative, compact system offers sub-millimeter accuracy ...