Want to get exercise mid-day but don’t want to go outside? Join the tunnel walk for a 30-minute walk led by a volunteer through MIT’s famous tunnel system. This walk may include stairs/inclines. Wear comfortable shoes. Free.Location details: Meet in the lobby under the “Belonging + Community” banner. Location photo below.Tunnel Walk Leaders will have a white flag they will raise at the meeting spot for you to find them.Prize Drawing: Attend a walk and scan a QR code from the walk leaders to be entered into a drawing for a getfit tote bag at the end of the getfit challenge. The more walks you attend, the more entries you get. Winner will be drawn and notified at the end of April. Winner does not need to be a getfit participant.Disclaimer: Tunnel walks are led by volunteers. In the rare occasion when a volunteer isn’t able to make it, we will do our best to notify participants. In the event we are unable to notify participants and a walk leader does not show up, we encourage you to walk as much as you feel comfortable doing so. We recommend you check this calendar just before you head out! [As of Feb 12, this calendar is defaulting to the year 1899. Click "today" to be brought to the current month.]Getfit is a 12-week fitness challenge for the entire MIT community. These tunnel walks are open to the entire MIT community and you do not need to be a current getfit participant to join.

Help prepare meals from scratch to be home-delivered to people living with a life-threatening illness and unable to shop or cook for themselves. We will be working in a professional kitchen; only your presence is required!We will meet in Kendall Square (MBTA station) at 12:15pm and take the T to Community Servings in Jamaica Plain. The shift will then start at 1pm and last until 4pm. Dinner and transportation are on us.Sign up here: https://forms.gle/UhZ1U2HvYg2APwCy9Friends and partners are welcome, just have them sign up! Thanks for coming!

Want to get exercise mid-day but don’t want to go outside? Join the tunnel walk for a 30-minute walk led by a volunteer through MIT’s famous tunnel system. This walk may include stairs/inclines. Wear comfortable shoes. Free.Location details: Meet in the atrium by the staircase. Location photo below.Tunnel Walk Leaders will have a white flag they will raise at the meeting spot for you to find them.Prize Drawing: Attend a walk and scan a QR code from the walk leaders to be entered into a drawing for a getfit tote bag at the end of the getfit challenge. The more walks you attend, the more entries you get. Winner will be drawn and notified at the end of April. Winner does not need to be a getfit participant.Disclaimer: Tunnel walks are led by volunteers. In the rare occasion when a volunteer isn’t able to make it, we will do our best to notify participants. In the event we are unable to notify participants and a walk leader does not show up, we encourage you to walk as much as you feel comfortable doing so. We recommend checking this calendar just before you head out. [As of Feb 12, this calendar is defaulting to the year 1899. Click "today" to be brought to the current month.]Getfit is a 12-week fitness challenge for the entire MIT community. These tunnel walks are open to the entire MIT community and you do not need to be a current getfit participant to join.

We’re thrilled to announce our next book selection. Start reading now and get ready for an engaging discussion!Book: Normal People by Sally RooneyAll are welcome, even if you haven't read the book. Please feel free to bring your own tea/coffee to the discussion. If you are interested in joining the discussion, please email this.is.jemma.koo@gmail.com

Ten minutes for your mind@2:50 every day at 2:50 pm in multiple time zones:Europa@2:50, EET, Athens, Helsinki (UTC+2) (7:50 am EST) https://us02web.zoom.us/j/88298032734Atlantica@2:50, EST, New York, Toronto (UTC-4) https://us02web.zoom.us/j/85349851047Pacifica@2:50, PST, Los Angeles, Vancouver (UTC=7) (5:50 pm EST) https://us02web.zoom.us/j/85743543699Almost everything works better again if you unplug it for a bit, including your mind. Stop by and unplug. Get the benefits of mindfulness without the fuss.@2:50 meets at the same time every single day for ten minutes of quiet together.No pre-requisite, no registration needed.Visit the website to view all @2:50 time zones each day.at250.org or at250.mit.edu

Speaker: Andrew Riesen (MIT)In person or on Zoom: https://mit.zoom.us/j/92441268505Title: Orbifolds of Pointed Vertex AlgebrasAbstract: This talk is based on joint work with Terry Gannon. We will discuss the interplay of tensor categories $\mathcal{C}$ with some group action $G$ and orbifolds $\mathcal{V}^G$ of vertex operator algebras $\mathcal{V}$ (VOAs for short). More specifically, we will show how the categorical structure of $\mathrm{TwMod}_G \mathcal{V}$ allows one to not only simplify previous results done purely through VOA techniques but vastly extend them. One such example is the Dijkgraaf-Witten conjecture, now a theorem, which describes how the category of modules of a holomorphic orbifold should look like. Additionally, our techniques also allow us to expand the modular fusion categories known to arise from VOAs, we show that every group-theoretical fusion category comes from a VOA orbifold. Lastly, we will discuss how VOAs with group actions give concrete realizations of $G$-Tambara Yamagami categories for nilpotent $G$.