The phased array with wide scanning range is significant to increase signal coverage for millimeter-wave communication. In this letter, a millimeter-wave wide-angle beam-scanning phased array based on ...

Chinese scientists have set a new record in satellite communication by successfully sending data from a satellite in geostationary orbit using a low-powered laser. The July 2025 test transmitted data ...

Chinese satellite laser breaks communication records from 36,000 km in space- In July 2025, Chinese scientists accomplished a breakthrough in satellite communication, successfully transmitting data ...

Since 1 June 2019, only Class 1 laser pointers have been permitted for indoors pointing purposes in Switzerland. The import, possession and use of laser pointers classified as 1M, 2, 2M, 3R, 3B and 4 ...

Report effectiveness of selective laser trabeculoplasty (SLT) and topical medical therapy for treatment initiation and escalation.Multicentre, retrospective cohort study covering an observation period ...

Ultrafast electron microscopy aims for imaging transient phenomena occurring on nanoscale. One of its goals is to visualize localized optical and plasmonic modes generated by coherent excitation in ...

However, the existing beam training schemes for acquiring channel path directions suffer from a large beam training overhead in either time-domain or frequency-domain. To solve this problem, we ...