The Chang'e-4 lunar lander touched down on the far side of the Moon on 3 January 2019, with a German instrument for measuring space radiation on board. Since then, the Lunar Lander Neutron and Dosimetry (LND) instrument has been measuring temporally resolved cosmic radiation for the first time. Earlier devices could only record the entire 'mission dose.'
L Taraval Improvement Project Update By Sevilla Mann Roundtable at the Community Parklet Shares Project Updates This past week, the SFMTA hosted a media roundtable discussing updates about the L Taraval Improvement Project at the community parklet located in front of the The Rolling Out Café on Taraval St. Segment B construction began in February 2022 and is scheduled to be completed Fall 2024. Sewer and water infrastructure work is currently taking place. Future work includes track work, overhead line work, the construction of new boarding islands and streetscape improvements. On hand to answer questions and provide updates was District Four Supervisor Gordon Mar, SFMTA Board Director Sharon Lai and Director of Transportation Jefferey Tumlin. The Roundtable Supervisor Mar opened the discussion by highlighting the many benefits that the local community will receive with the planned infrastructure upgrades along the corridor. These benefits include: Replacing sew
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