The evening opened with a keynote address by Daniel Bendavid, a 91影视 alumnus who shared his journey as former electrical/control systems engineer and current software engineer at Thirty Madison, a digital health company that specializes in treatments for migraines, seasonal allergies and other medical conditions.

Following Bendavid鈥檚 address, students had the opportunity to present their projects to their families, friends and community members. Freshmen and sophomores in 91影视鈥檚 Engineering Track presented their capstone projects, which ranged from lifesaving to lightheartedly pragmatic. For example, 鈥淭HE FEW鈥� Fire Evacuation Window (by Sam Heller, Nili Bickel, Eliana Weinstein and Hunter London) is a home system that automatically opens a window when carbon monoxide is detected, while 鈥淗otscoops鈥� heated spoon (by Avi Sebrow, Gavriel Teigman and Jared Zimbalist) is designed for scooping ice cream with ease. Each capstone project鈥檚 picture, description and team was also featured on the Engineering Symposium 2022 website.

Juniors and seniors showcased projects undertaken as part of their advanced Engineering elective courses. This year, electives included Aerial Robotics, Artificial Intelligence and Tikkun Olam Makers. Simultaneously, symposium attendees seeking sports-style entertainment were able to view a robotics competition by 91影视鈥檚 robotics team, the CouGears.

Girls Who Code, an after-school coding club with 40 members, was also represented at the symposium; This year, students learned how to code a snake game using Python Turtle. In addition, Monday鈥檚 event featured a new genre of coding projects. This year, 91影视 embarked on a new initiative: implementing a new Python coding curriculum for all incoming ninth graders. Over the course of the year, students had the opportunity to choose their own projects to work on, with faculty guidance. A number of the freshman coding projects were featured at the symposium, including a zman calculator, a recipe generator and a new Wordle game.

Thanks to Engineering Program Director Rifkie Silverman and Engineering faculty members Travis Merritt and Michael Preston for their invaluable instruction. 91影视鈥檚 student engineers look forward to participating in next week鈥檚 CIJE Innovation Day!

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Engineering and science teacher Mr. Travis Merritt mentored the CouGears, who were one of two yeshiva day school teams to compete in the meet. 鈥淚 am especially proud of our team, because we are working within a yeshiva schedule, but it鈥檚 not a yeshiva league,鈥� said Merritt, noting that the yeshiva school day ends later than most other schools, plus the CouGears of course cannot work on Shabbat. 鈥淚 cannot emphasize enough what an accomplishment this is.鈥�

Robotics team member Zachary Gold ’20 said that every individual on the team played a part in the victory. 鈥淪eeing such a jump from a 15th place finish last year to first and second place finishes this year is incredible,鈥� said Gold, referencing the CouGears鈥� second place finish at their first qualifying tournament of the year, back in December. 鈥淚 attribute much of this success to a strong team effort this year. Everyone has a role鈥攆rom senior to sophomore, from captain to team member.鈥�

Jonathan Sarasohn ’20, who is one of the CouGears captains, agreed. 鈥淭he most rewarding part of the competition this past Sunday was seeing the result of all of the hard work we have put into our robot over the course of the past few months,鈥� said Sarasohn. 鈥淏eing part of the 91影视 CouGears has allowed me to gain real-world engineering experience, and has influenced my decision to study mechanical engineering in college.鈥�

The next stop for the CouGears will be the league tournament.

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The program began with words by Principal Eli Ciner, Engineering Program Director Rifkie Silverman and Science Chair Dr. Mindy Furman. Afterwards, Chiu, who gained international recognition for his work on Graphene, addressed the students, stressing the importance of perseverance and the limitless potential they have as the engineers of the future.

鈥淓xcellence blossoms from faith,鈥� he said. 鈥淭here may be struggle along the way. You have to want it enough to hold onto hope, faith and courage against all odds!鈥�

Following Chiu鈥檚 presentation, the attendees had the opportunity to see the work of the 91影视 students in action. Poster boards, machines, robots, woodcuts from the fab lab and code-filled screens lined the 91影视 cafeteria, where students proudly displayed and explained their projects to their families, friends, faculty members and guests. Students from the engineering track, electives in robotics, bio research and halacha and technology, the Girls Who Code club and other classes and electives were all represented.

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“I’m thrilled to share this exciting initiative with our students, who will expand their programming skills and creative problem-solving ,” said Mrs. Silverman. “We are privileged to have 91影视 parent, Steven Paley on board, and I hope to eventually integrate this pilot program into our engineering curriculum.”

Over the next few months, students will learn the fundamentals of robotics, microcontrollers, programming, sensors and actuators. They will work on various projects, building robots with sensor attachments and writing computer programs to implement problem-solving algorithms. The course will conclude in a sumobot competition鈥攁 sumo wrestling robot competition. Students will use LEGO Mindstorms as the Robotics platform and ROBOTC as the programming language. ROBOTC is a product of Carnegie Mellon University and is C-based programming language adapted specifically to educational robotics.

鈥淩obotics is an exciting multi-disciplinary field that combines engineering, computer science, design, creativity, and problem-solving,” said Mr. Paley. “I look forward to engaging the students at 91影视 in a stimulating, challenging, and fun semester.”

Stay tuned鈥攖hings are about to get very futuristic on Monday nights!

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Engineering students have had a long productive winter and are deeply engrossed聽in their capstone projects. Ideas were researched, proposals presented, parts ordered and explored, and the groundwork for prototypes is now well under way. Our students are growing in knowledge and experience as they write codes, design circuits, build, test, and improve their models:

• Sprouts include a Technological Terrarium that monitors and provides all a plant needs to grow
• Paintbot, an interactive drawing experience
• Exoskeletons designed to help the handicapped
• A Smart Signer that converts sign language into verbal communication
• An En-Forcer-Er helmet that monitors impact on a football player鈥檚 skull.

Tenth graders are building 3D printed parts of their own design. We are also planning a field Trip to Konica Minolta’s Corporate Headquarters for a first hand look at the latest in 3D printing.

Lecture Series:

Our Engineering lecture series continues to expose the students to cutting edge developments in this fast growing field. We were privileged to hear from:

– Micah Lemonik, a Principal Software Engineer at Google’s New York City headquarters, where he is an engineering lead in the Google Apps group.聽 Micah joined Google in 2005 and worked on many popular products such as Google Docs and Google Drive. He shared with us the fascinating world that is a career at Google.

–聽Hadar Cohen, a 91影视 alum currently a senior at Cooper Union,聽where she studies Electrical Engineering. Hadar shared her personal journey to engineering and聽her experience at Cooper Union including details on her many engineering projects. She聽provided some understanding of what it means to be an engineer and the different fields available to potential engineering students.

– Rabbi Binyamin Zimmerman, visited from the Zomet Institute in Israel. The Zomet Institute is dedicated to seamlessly merging Halachic Judaism with modern life. For over 30 years their researchers and engineers have devised practical Halachic solutions. They consult and develop solutions for The Israeli Ministry of Health, The Ministry of Defense, Ben Gurion Airport, Amigo Mobility, Elite Food, Tnuva Dairies, Israeli Channel 10 Shindler Elevators and more. Zomet’s engineers have developed and implemented technologies that enable products such as metal detectors, security jeeps, elevators, electric wheelchairs and coffee machines to be used on Shabbat. I met Rabbi Zimmerman and heard him speak about Zomet’s mission on my recent trip to Israel with CIJE.聽 It is an incredible place. Rabbi Zimmerman exposed our聽engineering聽students to the ideas and practical challenges behind merging technology and Halacha while viewing聽technological advancement from a religious perspective of partnering with God.

颁辞诲颈苍驳:听

91影视’s Girls Who Code Club is germinating. Every Monday we meet after school with a volunteer instructor from GWC, Colleen Stowe, to learn the art of coding. Our girls have designed a computer game, are learning about artificial intelligence and will begin work on a final coding project. We visited Microsoft for a coding session and have a trip planned to Google to meet with female engineers. 91影视 was approved to continue our club next year and I hope to open the world of coding to a new group of budding coders. The national organization works to inspire, educate, and equip girls with the computing skills to pursue 21st century 聽opportunities.

Senior Elective:

Our senior elective, which combines a Halacha study/engineering design project, is blossoming and being piloted by Ronit Langer and Amitai Cohen, who are working with 10th grader, Bracha Getter on a project they call “kosher STEM”. They are busy in the lab this spring bringing it to life. Rav Zimmerman, from Zomet was impressed with our engineering program and graciously agreed to review and share with his engineers the project proposal. Our students are building a prototype for a Shabbat mode for electronic locks.聽We received incredibly helpful feedback.聽 Rav Zimmerman was so impressed with our lab and our students that he and his team at Zomet welcome the possibility of continued work with our students.

Start Up Nation:

Training students to pursue their entrepreneurial dreams requires training teachers to foster those endeavors.聽I was privileged to attend CIJE鈥檚 Journey to Start Up Nation in Israel this past February as a mentor and guest lecturer for new teachers to the program. It was incredible. We visited engineering schools, accelerators and met with entrepreneurs. I had the opportunity to meet and speak with some of Israel’s top biomedical and high tech companies including the CEOs of聽Biosense-Webster and Johnson & Johnson, who discussed the engineering behind cardiac technologies. The group also met with Shai Melcer, executive director of BioJerusalem, an organization dedicated to promoting the advancement of the biomedical industry in Jerusalem as well as Bob Rosenschein, founder of Answers.com. and Daniel Schreiber, President of Powermat.聽“This trip took teachers from the classroom into the field where ideas are conceived, products are developed and promising innovations are financed,” explained Jay Smallwood, CIJE-Tech Specialist.聽 “These few days of exposure to such an esteemed group of CEOs, engineers and product developers from biomedical devices to Shabbat-approved technologies will trickle down into the mentorship teachers聽provide their CIJE students.”

All engineering students will have the opportunity to attend a student journey to Start up Nation next winter break. Two of our 10^th graders Daniel Koenig and David Lifschitz reported on this year鈥檚 journey which included both an exposure to entrepreneurship and workshops at the Technion. Details to follow.

础苍苍耻补濒听厂测尘辫辞蝉颈耻尘:听

Our Annual Engineering and Research Symposium is scheduled for Thursday evening, May 28^th where students will be showcasing their projects and Susan Englehardt will be our keynote speaker

Susan Engelhardt presently serves as Executive Director of the Center for Innovative Ventures of Emerging Technologies (CIVET) at Rutgers, The State University of New Jersey, where she spearheads the development of programs that help faculty and students bring innovations to the market and develop their skills as innovators, as well as establish pathways for industrial academic partnerships. Susan brings to CIVET over 20 years of experience in engineering, process design, and business relationship management cross-industry at companies such as Bear Stearns, Deloitte Consulting and AT&T Bell Laboratories. Ms. Engelhardt holds a Master of Science degree from Columbia University and a Bachelor of Science degree from Queens College. I look forward to greeting you.

Rifkie Silverman

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In biology, after discussing the laws of inheritance elucidated by Mendel more than 150 years ago, the 聽freshman as 鈥淏othead parents鈥� created “Bothead progeny鈥�. 聽The age old question of 鈥渨hy are my eyes blue鈥� 聽was demonstrated as the traits of the baby Botheads clearly represented a random combination of the genes of the parents. The students in Animal Behavior took a trip this week to the Bronx Zoo.聽 After learning about how and why ethologists (scientists that study animal behavior) do their jobs and after practicing these skills with videos and in-class projects, the students were prepared to put their animal research skills to use. Students chose an animal, clearly defined its behaviors (to limit bias!), and created a tally of those behaviors on an ethogram (a table of animal behaviors).聽The students will have the opportunity to analyze their data, draw inferences, and present their findings to the class.聽In the Science Research class, students are busy analyzing novel gene sequences from a plant species called duckweed. To determine the size of those sequences, the students purified DNA and using gel electrophoresis were able to determine the size of the DNA sequence and the quality of their purified sample. The gels may look like a scene from a CSI episode but actually require mastering some very sophisticated techniques in molecular biology.

Need a bright idea to demonstrate the different categories of chemical reactions? In lab, students were given the opportunity to predict the outcome of certain classes of chemical reactions by examining the products of those reactions. 聽Magnesium, produced by a synthesis reaction burns with a startling, bright white flame. When studying the decomposition of hydrogen peroxide聽, a glowing splint will burst into flame as oxygen is released. Exploding the hydrogen given off when zinc is dropped into acid also dramatically illustrates single replacement reactions. The goopy precipitate that formed during a double replacement reaction was appreciated as well.

While the laws of physics might seem abstract to most, there is no better tool than a slinky to illustrate some of the major properties of waves. 聽The students held a slinky by opposite ends and shook. The slinky’s sinusoidal undulations illustrated the crests and troughs of a transverse wave. As they pushed one end of the slinky and watched聽a ripple slide to the other end they were able to witness the compression’s and rarefaction’s of a longitudinal wave. The finer points of waves were studied in the lab in a ripple tank with green water to make the waves more visible. The students observed reflection and diffraction around barriers they set up in the ripple tank.

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The engineering lab is filled with student teams busy at design.

Ninth graders are designing circuits that integrate sensors with the Arduino micro controller. They have learned to code. They designed automatic Chanukias, Shofar blowing music boxes, button controlled lights, games, pianos, dimmers, alarms and more.

Tenth graders researched and presented the engineering aspects of the biological systems. They designed autonomous robots using ultrasonic distance sensors, motors controlled with h-Bridges, scales using strain gauges and op amps and stopwatches using stepper motors and LCD screens. They investigated gait using physmo software and designed engineering components on Tinkercad for our 3D printer. Their 3D designs are hanging from our windows.

All students are also learning about new engineering technology through the technical articles they report on once a month and through our engineering lecture series which includes inventors, entrepreneurs, doctors, patent attorneys, scientists and engineers.聽

• Steven Paley, an inventor, entrepreneur, and author of ‘The Art of Invention’ spoke about the creative side of engineering and “design thinking”
• Dr. Michael Stifelman, director of robotic surgery at NYU Langone Medical Center transmitted from the operating room where we watched a live surgery
• As a follow up, Dr. Abraham Knoll showed us how new technology has changed the management of kidney stones and brought some of the actual instruments used in robotic surgery
• Joel Bock, a partner at SNRDentons shared his experience relating to the convergence of science and law and the protection of ideas and inventions
• This week we are hosting David Wolf and Stephen Schneider from SunLight General Capital who will present on solar energy technology and its markets
• Some of our 10th graders were hosted by Evan Sohn on a trip to Rockefeller Universitiy Bio-imaging Center. It is one of the worlds leading facilities for microscopy and scientific imaging. Professors Dr James Hudspeth and Dr Allison North and their doctoral students were eager to share their expertise. Our students marveled at the advances made in bio-imaging as we observed live specimens and embryos through the latest microscopes and imaging stations

Stay tuned. More to come!
We are especially proud of all our engineering elective graduates who have chosen to pursue an engineering education by applying to the top engineering schools in the country.聽 Congratulations to our students who got in early: Ronit Langer- MIT, Andrew Levine – Penn Engineering,聽 Bezalel Pittinsky- Cooper Union, Tzvi Besser – Columbia Engineering

Our former engineering students are never far from the lab. So many of them come during their free time to work with the current 9th and 10th graders and to see what’s cooking in the 3D printer.

As part of their senior elective, Ronit and Amitai Cohen, are working with 10th grader, Bracha Getter and 9th grader Ray Katz on a project they call “kosher STEM”. They plan to create an electronic key swipe that will use proximity sensors and a circuit that never opens but gets rerouted to the lock when the sensor is within range. This system will avoid the problems of shabbat by using Grama, indirect causation, and Me’niat Haminah, lack of involvement (because you would wear the proximity sensor). They hope to spend time in the lab this spring bringing it to life.

Tsipora Stone, another former engineering student is helping us launch a Girls Who Code Club. Tsipora attended a summer immersion program and is sharing her experience with us. We have been assigned an instructor and will be launching the program next week with twenty of our girls. The national organization works to inspire, educate, and equip girls with the computing skills to pursue 21st century opportunities.聽聽.

Two of our tenth grade engineering students, Daniel Koenig and David Lifschitz, will be attending an entrepreneurial trip to Israel over winter vacation with CIJE, the Center for Initiatives in Jewish Education, supporters of our program. They will experience Start Up Nation first hand and attend workshops at the Technion. I look forward to hearing about their experience and hope to participate with additional students next year. If anyone is interested in an extensive entrepreneurial summer program in Israel see

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BIOLOGY:

It was wonderful to witness the freshmen display their understanding of the fundamental unit of life, the cell, by constructing models of cell organelles. Both their creativity and originality were on display as they clearly grasped the concept of structure and function. Building upon the strong foundation acquired in 9^th grade in the area of molecular biology, our research class is becoming adept at isolating, purifying and analyzing DNA sequences. Here we see them amplifying DNA using a technique called Polymerase Chain Reaction. In senior year, the emphasis on the application of knowledge resulted in sophisticated presentations as the AP Biology students researched the genetic basis of diseases and the scientific basis of many potential treatments looming on the horizon.

CHEMISTRY

How do you motivate students to learn the symbols for the chemical elements to understand the organization of the periodic table? You could tell them to study for a quiz. Or, you could tell them instead to prepare for element bingo. We chose the bingo approach. For the first game, a straight line bingo earned a small chocolate. The second game required an X or a plus sign, and garnered a bigger chocolate. The last game, the full card bingo, got a monster chocolate. Once they have mastered the elements, they can begin to predict certain properties of the elements based upon their location in the Periodic Table. In the lab, we saw that iron atoms can form two different types of ions. Each ion can undergo a different chemical reaction and form two different compounds when combining with the same non-metal.

PHYSICS

In AP Physics students are learning to tackle a topic that is particularly difficult for them:聽 Newton鈥檚 laws of dynamics.聽 The key to understanding is to impress upon them that all of the problems they encounter can be solved by applying a simple set of rules and then thinking the problem through using those rules. What we hope to accomplish is the realization that the laws governing dynamics is not just a set of many different problems but rather a family of problems that have a common thread. In order to reinforce these concepts, we employ laboratory exercises that supply real-world data to the topic of dynamics which is seen in the accompanying picture.

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