{ "145156-21896742": { "datetime_modified":"20260410T110911", "datetime_start":"20260417T150000", "datetime_end":"20260417T160000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"HET Seminar | Abelian Instantons in Quantum Field Theory and Gravity", "occurrence_title":"", "combined_title":"HET Seminar | Abelian Instantons in Quantum Field Theory and Gravity: Isabel Garcia-Garcia", "event_subtitle":"Isabel Garcia-Garcia", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"I will discuss field configurations of Abelian gauge fields that carry non-zero second Chern number, generated by closed monopole worldlines in four-dimensional Euclidean space. These \"Abelian instantons\" render the electromagnetic vacuum angle physical. In the presence of gravity, magnetic monopoles that are Reissner-Nordstrom black holes naturally realize these field configurations. Including these instantons in the gravitational path integral makes the electromagnetic theta-term a physical parameter of the Standard Model coupled to gravity,", "occurrence_notes":null, "guid":"145156-21896742@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145156", "building_id":"1000167", "building_name":"West Hall", "campus_maps_id":"163", "room":"340", "location_name":"West Hall", "has_livestream":0, "cost":"", "tags":["High Energy Theory Seminar","Physics","Science","Seminar","Talk"], "website":"", "sponsors":[ { "group_name":"Leinweber Institute for Theoretical Physics", "group_id":"4286", "website":"" }, { "group_name":"Department of Physics", "group_id":"1965", "website":"" }, { "group_name":"HET Seminars", "group_id":"3806", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics Seminars", "group_id":"4311", "website":"" }, { "group_name":"Leinweber Institute for Theoretical Physics High Energy Theory Seminars", "group_id":"4313", "website":"" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21896742 } , "146663-21899423": { "datetime_modified":"20260316T154409", "datetime_start":"20260417T150000", "datetime_end":"20260417T170000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:00:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"SAPAC Care Collective: Feel Good Fridays", "occurrence_title":"", "combined_title":"SAPAC Care Collective: Feel Good Fridays", "event_subtitle":"", "event_type":"Social \/ Informal Gathering", "event_type_id":"19", "description":"SAPAC's Care Collective is focused on fostering drop-in, confidential, community spaces for UM students who identify as survivors of sexual violence, intimate partner violence, sexual harassment, stalking and\/or other forms of harm. Students do not need to label their experiences to join Care Collective spaces, and all students are welcome. These community spaces are facilitated by SAPAC student staff members, offer various low-pressure connection opportunities, and foster resilience, reconnection, healing, and self-care.\n\nFeel Good Fridays are low-pressure, drop-in gatherings focused on wellness, grounding, and community. Crafting, light discussions, and snacks can be expected.", "occurrence_notes":null, "guid":"146663-21899423@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146663", "building_id":"1000120", "building_name":"Michigan Union", "campus_maps_id":"191", "room":"4100", "location_name":"Michigan Union", "has_livestream":0, "cost":"", "tags":["Free","sapac"], "website":"https:\/\/sapac.umich.edu\/CareCollective", "sponsors":[ { "group_name":"Sexual Assault Prevention and Awareness Center (SAPAC)", "group_id":"1688", "website":"http:\/\/sapac.umich.edu" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":3, "first_occurrence":21899421 } , "145396-21897243": { "datetime_modified":"20260406T085442", "datetime_start":"20260417T150000", "datetime_end":"20260417T183000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:00:00", "time_end":"18:30:00", "time_zone":"America\/Detroit", "event_title":"Senior Design Expo", "occurrence_title":"", "combined_title":"Senior Design Expo", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"U-M IOE students will showcase their real-world impact at the biannual Senior Design Expo.", "occurrence_notes":null, "guid":"145396-21897243@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/145396", "building_id":"1005418", "building_name":"Ford Robotics Building", "campus_maps_id":"647", "room":"Atrium", "location_name":"Ford Robotics Building", "has_livestream":0, "cost":"", "tags":["Industrial And Operations Engineering","Michigan Engineering","Undergraduate","Undergraduate Students"], "website":"", "sponsors":[ { "group_name":"Industrial & Operations Engineering", "group_id":"3301", "website":"http:\/\/ioe.engin.umich.edu\/" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/02\/event_145396_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/02\/event_145396_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21897243 } , "141325-21899016": { "datetime_modified":"20260518T092015", "datetime_start":"20260417T150000", "datetime_end":"20260417T154500", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:00:00", "time_end":"15:45:00", "time_zone":"America\/Detroit", "event_title":"Sky Tonight", "occurrence_title":"", "combined_title":"Sky Tonight", "event_subtitle":"", "event_type":"Exhibition", "event_type_id":"7", "description":"A live presentation on what to find in the sky tonight and for the coming few weeks. This presentation includes how to find the cardinal directions with the North Star, current and upcoming constellations, visible planets, a few deep sky objects depending on the season, and other interesting astronomical visualizations. If you want to be able to look up from your own backyard and know what to look for, this is the show for you.", "occurrence_notes":null, "guid":"141325-21899016@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/141325", "building_id":"1005169", "building_name":"Museum of Natural History", "campus_maps_id":"646", "room":"", "location_name":"Museum of Natural History", "has_livestream":0, "cost":"Tickets are $8 and are available in the museum store on the day of the show.", "tags":["Astronomy","Children","Family","Film","Museum","museums","natural history museum","Natural Sciences","Planetarium","Prospective Undergraduate Students","Science","Space","Undergraduate"], "website":"https:\/\/lsa.umich.edu\/ummnh\/visitors\/planetarium-dome-theater.html#view=week", "sponsors":[ { "group_name":"Planetarium & Dome Theater at the Museum of Natural History", "group_id":"3825", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2025\/10\/event_141325_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2025\/10\/event_141325_original-1.jpg" }, "occurrence_count":180, "first_occurrence":21888620 } , "138091-21891116": { "datetime_modified":"20260105T110419", "datetime_start":"20260417T150000", "datetime_end":"20260417T160000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:00:00", "time_end":"16:00:00", "time_zone":"America\/Detroit", "event_title":"Sustainability Coffee Chats: Free coffee and good conversation!", "occurrence_title":"", "combined_title":"Sustainability Coffee Chats: Free coffee and good conversation!", "event_subtitle":"", "event_type":"Social \/ Informal Gathering", "event_type_id":"19", "description":"The Student Sustainability Coalition will be hosting our coffee chats throughout the semester and we want you to join us! Passionate about sustainability?--water conservation, AI, carbon neutrality, transportation, ANYTHING!--come chat with us, share your passion(s) and interests, all while helping contribute to a more sustainable University of Michigan! Not to mention: WE WILL BUY YOUR DRINK!\r\n\r\nFind us at: \r\nMaizes Cafe every Friday from 3-4p and Rooting for Change Cafe (3rd Floor Palmer Commons) every other Wednesday from 5-6p", "occurrence_notes":"Look for the Sustainability Coffee Chat sign in the seating area.", "guid":"138091-21891116@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/138091", "building_id":"1000191", "building_name":"Michigan League", "campus_maps_id":"108", "room":"Maizie's Cafe", "location_name":"Michigan League", "has_livestream":0, "cost":"", "tags":["Activism","Climate Change","Discussion","Food","food and the environment","Free","Free Food","Graduate and Professional Students","In Person","Social","Social Impact","Student Org","Sustainability","Talk","Undergraduate Students"], "website":"https:\/\/planetblue.umich.edu\/campus\/get-involved\/for-students\/student-orgs\/ssc", "sponsors":[ { "group_name":"Student Sustainability Coalition", "group_id":"4616", "website":"" }, { "group_name":"Student Life Sustainability", "group_id":"4678", "website":"" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2025\/09\/event_138091_original-3.png", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2025\/09\/crop-event_138091_original-3.png", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2025\/09\/crop-event_138091_original-3.png", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2025\/09\/crop-event_138091_original-3.png", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2025\/09\/crop-event_138091_original-3.png", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2025\/09\/crop-event_138091_original-3.png", 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"event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"", "occurrence_notes":null, "guid":"143256-21892562@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/143256", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"International House Ann Arbor (921 Church Street)", "has_livestream":0, "cost":"", "tags":["Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16083", "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21892562 } , "147045-21900273": { "datetime_modified":"20260325T114031", "datetime_start":"20260417T153000", "datetime_end":"20260417T170000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:30:00", "time_end":"17:00:00", "time_zone":"America\/Detroit", "event_title":"Bouchet Graduate Honor Society Reception", "occurrence_title":"", "combined_title":"Bouchet Graduate Honor Society Reception", "event_subtitle":"", "event_type":"Workshop \/ Seminar", "event_type_id":"21", "description":"Celebrate the 2026 Bouchet Graduate Honor Society inductees! Join us for remarks from Dean Solomon and Three-Minute Thesis presentations from our new class of inductees. This event is hybrid. Refreshments will be served.", "occurrence_notes":null, "guid":"147045-21900273@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/147045", "building_id":"", "building_name":"", "campus_maps_id":"", "room":"", "location_name":"Vanguard Hotel, 201 Glen Ave, Ann Arbor, MI 48104", "has_livestream":0, "cost":"", "tags":["Rgs Events","Rgs-events","Sessions"], "website":"https:\/\/sessions.studentlife.umich.edu\/p\/track\/16867", "sponsors":[ { "group_name":"Sessions @ Michigan", "group_id":"4791", "website":"https:\/\/sessions.studentlife.umich.edu\/" }, { "group_name":"Rackham Graduate School", "group_id":"1187", "website":"https:\/\/www.facebook.com\/umichgradschool" } ], "image_url":"", "styled_images":{ "event_thumb":"", "event_large":"", "event_large_2x":"", "event_large_lightbox":"", "group_thumb":"", "group_thumb_square":"", "group_large":"", "group_large_lightbox":"", "event_large_crop":"", "event_list":"", "event_list_2x":"", "event_grid":"", "event_grid_2x":"", "event_feature_large":"", "event_feature_thumb":"" }, "occurrence_count":1, "first_occurrence":21900273 } , "146649-21899400": { "datetime_modified":"20260316T120023", "datetime_start":"20260417T153000", "datetime_end":"20260417T163000", "has_end_time":1, "date_start":"2026-04-17", "date_end":"2026-04-17", "time_start":"15:30:00", "time_end":"16:30:00", "time_zone":"America\/Detroit", "event_title":"Smith Lecture: Zach Sharp", "occurrence_title":"", "combined_title":"Smith Lecture: Zach Sharp: Archean Ocean Temperatures: A 3 Billion-Year-Old Question", "event_subtitle":"Archean Ocean Temperatures: A 3 Billion-Year-Old Question", "event_type":"Lecture \/ Discussion", "event_type_id":"13", "description":"Life likely started in the Archean Ocean. What were the temperatures of these early oceans? Oxygen isotope compositions of different sediments have been used extensively to answer this question. The \u03b4\u00b9\u2078O values of Archean sediments are strikingly lower than their younger equivalents, but interpretations of these results are extremely varied. High ocean temperatures, low \u03b4\u00b9\u2078O values of the early oceans, or simply massive diagenesis of the sediments over the billions of ensuing years have all been considered. There is no consensus between the different camps. Here we use a completely different approach, using the triple oxygen isotope composition of mantle eclogites to define the \u03b4\u00b9\u2078O value of the Archean ocean. Mantle eclogites are subducted and metamorphosed equivalents of oceanic crust. Unlike sediments, which are subject to surficial alteration over billions of years, subducted ocean crust becomes metamorphosed and then isolated \u2013 isotopically \u2018frozen\u2019 \u2013 for billions of years. We find that the range of triple oxygen isotope values of fresh altered oceanic crust and those of Archean eclogites are nearly identical. Given that the temperatures of hydrothermal alteration have not changed through time, and the isotopic composition of the mantle has not changed through time, then the similar triple isotope range of modern and Archean metamorphosed oceanic crust indicates an unchanging ocean isotope composition over the last 3 Ga. Eliminating the oxygen isotope composition of the Archean ocean as a variable allows for better estimates of Earth\u2019s early surficial conditions.", "occurrence_notes":null, "guid":"146649-21899400@events.umich.edu", "permalink":"http:\/\/events.umich.edu\/event\/146649", "building_id":"1000188", "building_name":"1100 North University Building", "campus_maps_id":"628", "room":"1528", "location_name":"1100 North University Building", "has_livestream":0, "cost":"", "tags":["Earth And Environmental Sciences"], "website":"", "sponsors":[ { "group_name":"Earth and Environmental Sciences", "group_id":"3170", "website":"http:\/\/www.lsa.umich.edu\/earth" } ], "image_url":"https:\/\/events.umich.edu\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "styled_images":{ "event_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_thumb\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_large":"https:\/\/events.umich.edu\/media\/cache\/event_large\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_large_2x":"https:\/\/events.umich.edu\/media\/cache\/event_large_2x\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/event_large_lightbox\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "group_thumb":"https:\/\/events.umich.edu\/media\/cache\/group_thumb\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "group_thumb_square":"https:\/\/events.umich.edu\/media\/cache\/group_thumb_square\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "group_large":"https:\/\/events.umich.edu\/media\/cache\/group_large\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "group_large_lightbox":"https:\/\/events.umich.edu\/media\/cache\/group_large_lightbox\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_large_crop":"https:\/\/events.umich.edu\/media\/cache\/event_large_crop\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_list":"https:\/\/events.umich.edu\/media\/cache\/event_list\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_list_2x":"https:\/\/events.umich.edu\/media\/cache\/event_list_2x\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_grid":"https:\/\/events.umich.edu\/media\/cache\/event_grid\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_grid_2x":"https:\/\/events.umich.edu\/media\/cache\/event_grid_2x\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_feature_large":"https:\/\/events.umich.edu\/media\/cache\/event_feature_large\/media\/attachments\/2026\/03\/event_146649_original-1.jpg", "event_feature_thumb":"https:\/\/events.umich.edu\/media\/cache\/event_feature_thumb\/media\/attachments\/2026\/03\/event_146649_original-1.jpg" }, "occurrence_count":1, "first_occurrence":21899400 } }