A new optical illusion featuring repeated words has gone viral, challenging users to spot one odd word hidden among dozens of PENs. Think you can do it in under 10 seconds?

Plus: Man Utds hopes that Inter Milan would follow up their enquiry for Rasmus Hojlund have taken a huge hit; five German clubs, including Bayer Leverkusen and Borussia Dortmund, are weighing up a ...

Optical amplification: Specialized multi-core amplifiers (MC-EDFA) were developed to support all cores simultaneously. Commercialization (2020s): MCFs reached over 1 petabit per second transmission ...

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