WILMINGTON, MA — Below is a round-up of what’s going on in Wilmington on Tuesday, November 20, 2018:Happening Today:Weather: Snow likely before 1pm, then rain likely between 1pm and 3pm, then a chance of snow after 3pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 38. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%.ON SALE: Wilmington High will battle Tewksbury High in the 85th Annual Thanksgiving Day Football Game on Thursday, November 22 at 10am at Alumni Stadium in Wilmington. Advanced tickets cost $10 for adults and $5 for students and senior citizens. Cash only. Tickets will be on sale at Wilmington High School on Monday, November 19 and Tuesday, November 20, from 8am to 2pm. On game day, tickets will also be available for $10 (all ages) at the gate. Cash only.Municipal Meetings: The Wilmington Board of Health meets at 5:30pm in Town Hall’s Room 9. Read the agenda HERE. … The Wilmington Board of Library Trustees meets at 7pm in the Library’s band Room. Read the agenda HERE. … The Wilmington Finance Committee meets at 7pm in Town Hall’s Room 9. Read the agenda HERE.In The Community: The WHS Class of 2022 is holding a “Dining For A Cause” Fundraiser at the 99 Restaurant (144 Lowell Street) from 4pm to 11pm. Bring the flyer and 15% of your bill will be donated to Wilmington High School’s freshmen class. Applies to both dine-on AND take-out orders. (No coupons, discounts or promotions are accepted during the fundraiser.)In The Community: Wilmington Congregational Church (220 Middlesex Avenue) is holding a Blood Drive from 2pm to 7pm. Interested donors can call 1-800-RED CROSS (1-800-733-2767) to book an appointment, but walk-ins ARE welcome.In The Community: The Tewksbury/Wilmington Elks holds bingo — open to the public — every Tuesday. Doors open at 5pm. Pizza, hot dog and pastries are sold. Free coffee.In The Community: Angels In Motion meets every Tuesday, from 9:30am to 2:30pm, at the Wilmington Knights of Columbus Hall (112 Middlesex Avenue). The club provides a great opportunity for seniors to meet new friends or reacquaint with old ones. A luncheon is served as noon. Free. Handicapped accessible.At The Library: Tech Buddies Drop-In at 3:30pm. Trivia Tuesdays at 6:30pm. [Learn more and register HERE.]At The Senior Center: Zumba at 9am. Aerobics at 10:30am. Mah Jong at 1pm. Tai Chi at 1pm. Gentle Yoga at 2:30pm. [Learn more HERE.]At Town Museum: The Town Museum (430 Salem Street) is open from 10am to 2pm. Come explore Wilmington’s history. Free admission.(NOTE: What did I miss? Let me know by commenting below, commenting on the Facebook page, or emailing email@example.com. I may be able to update this post.)Like Wilmington Apple on Facebook. Follow Wilmington Apple on Twitter. Follow Wilmington Apple on Instagram. Subscribe to Wilmington Apple’s daily email newsletter HERE. Got a comment, question, photo, press release, or news tip? Email firstname.lastname@example.org.Share this:TwitterFacebookLike this:Like Loading… RelatedThe Wilmington Insider For November 19, 2018In “5 Things To Do Today”5 Things To Do In Wilmington On Tuesday, August 20, 2019In “5 Things To Do Today”The Wilmington Insider For November 26, 2018In “5 Things To Do Today”
More information: “Actuation at a distance” of microelectromechanical systems using photoelectrowetting: proof-of-concept, arXiv:1201.2873v1 [physics.flu-dyn] arxiv.org/abs/1201.2873AbstractWe demonstrate here a proof-of-concept experiment that microelectromechanical systems (MEMS) can be actuated using photoelectrowetting. In order to demonstrate this, a 30 mu m thick aluminum cantilever is actuated using an ordinary white light source. A deflection of 56 mu m is observed using a light irradiance equal to approx 1000 W m-2 at a bias of 7 V. The deflection of the cantilever relies on the recently observed photoelectrowetting effect [Sci. Rep.1, 184 (2011)]. Such “actuation at a distance” could be useful for optical addressing and control of autonomous wireless sensors, MEMS and microsystems. © 2011 PhysOrg.com Explore further Japanese company develops silver ink that requires no heat to harden Experimental setup showing aluminum cantilever, liquid droplet (H2O/HCl, c = 0.01M) and Teflon AF/silicon photoelectrowetting surface. Image from arXiv:1201.2873v1. Citation: Research team creates photoelectrowetting circuit (2012, January 20) retrieved 18 August 2019 from https://phys.org/news/2012-01-team-photoelectrowetting-circuit.html Deflection of a 30µm thick Al cantilever using photoelectrowetting on a Teflon AF (265 nm)/p-type silicon (NA =1.8×10^15 cm-3) stack at (a) 0V (dark), (b) +20V (dark) and (c) +20V (illuminated). Image from arXiv:1201.2873v1 This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. (PhysOrg.com) — Working together, Matthieu Gaudet and Steve Arscott from the University of Lille (IEMN lab) in France have built a circuit using a phenomenon known as photoelectrowetting, which allows a switch to be turned on by shining a light on it. As the two describe in their paper on the pre-print server arXiv, the circuit is made by using the principle of electrowetting to cause a drop of water to thin resulting in a conducting cantilever to fall towards a second conducting material allowing current to pass through. The circuit built by Arscott and his colleague uses photoelectrowetting to allow for switching from a distance using sunlight. Their circuit is essentially a capacitor, where two conducting materials are separated by an insulator. The substrate is made of P-Type silicon; above it is a layer of Teflon, and above that is a space with one drop of water in it. The drop of water holds up the free end of a cantilever made of Aluminum. The circuit is completed when light is shined on the water, causing the wetting angle to decrease, making the drop of water thinner. When that happens, the cantilever falls towards the electrode completing the circuit.The ability to switch a circuit on from a distance using only light will lead to advances in remote sensors and likely will also aid in the relatively new field of research called Lab on a Chip (LoC), which is focused on constructing self-contained devices that can perform tests on sample materials in remote areas. Electrowetting is a process whereby voltage applied to a liquid causes the wetting angle of the liquid to change. The wetting angle is the amount of rise seen when a liquid sits on a surface and is determined by the adhesive and cohesive forces inherent in the liquid. Differences in wetting angle can be seen when comparing drops of water sitting in a Teflon pan versus on an ordinary countertop. Subsequent research by Arscott showed that the same effect could be achieved by shining a light on a water droplet if it was sitting on an insulated conductor. He called the result photoelectrowetting.