We're very proud of all the students who attended. Mechanical Test Engineering Internship (Fall 2023) See their work atGiants of the Puget Sound: The Southern Resident Orca Whales (arcgis.com). They clutched their semi-final round with a well-played challenge that led to a nail biter tie breaker round. Congratulations to the winners of our 2020-2021 Wharton Global High School Investment Competition! Neha Hulkund. Home. They will have one more test to potentially qualify for the Final, which involves 10 days of instruction and 2 days of testing at a host university and a chance to represent the US at the International Biology Olympiad in Japan. Explore our favorite experiments, engineering challenges and demonstrations with these fun hands-on STEM activities! Banking and Financial Systems: Pia Dave and Kaavya Trivedi 5th place, Broadcast Journalism: Omid Farahdel and Ani Seshadri 6th place, Business Management: Diya Karthic, Mehek Sathe, Nihan Tatli 3rd place; Eesha Kunisetty 2nd place, Digital Video Production: Kshitij Rao, Ani Seshardri, Rohan Sing 5th place, E-Business: Annie Adhikary 6th place; Omid Farahdel, Pranav Sayal, Brian Yin 4th place, Electronic Career Portfolio: Cindy Chen 2nd place, Entrepreneurship: Emma Shi, Osheen Tikku 3rd place, Graphic Design: Diya Karthic, Mehek Sathe, Nihan Tatli 6th place; Kshitij Rao, Manovay Sharma, Ayush Singh 5th place, International Business: Divij Aswinkumar, Farzad hasan 5th place, Introduction to Business Presentation: Vasudah Narayanan, Anjana Punniamoorthy 5th place; Prakshi Shukla, Nikki Taleghani 3rd place, Introduction to Public Speaking: Nitya Kakulamarri 6th place; Annie Adhikary 4th place, Anshu Aggarwal 3rd place, Introduction to Social Media Strategy: Abhinav Nadupalli, Alekhya Nidadavolu 6th place; Ahanya John, Megha Ramachandran, Alexa Rorrer 5th place, Marketing: Rishi Dilip, Aahil Irfan, Sourish Singh 6th place; Shivani Godse, Sneha Murali 5th place, Public Service Announcement: Gayathri Pillai, Shivani Sama, Shriya Tiku 2nd place; Sarah Wen 1st place, Public Speaking: Nikki Taleghani 2nd place, Publication Design: Aaryan Bondre, Tanush Contractor, Gyan Dave 4th place, Sales Presentation: Rhea Kuppa, Shreya Pandey 5th place; Karina Kejriwal, Bhavya Nandikanti 4th place; Divij Aswinkumar, Saathvik Somujayabalan, Harini Vijeyanandh 3rd place, Social Media Strategies: Cindy Chen, Karina Kejriwal, Bhavya Nandikanti 3rd place; Gauri Raman, Divya Singh 1st place, Sports and Entertainment Management: Gyan Dave, Aarav Khanna, Isayiah Lim 4th place, Advertising: Hrudai Thungathurthi 5th place; Sneha Murali 4th place, Agribusiness: Katelyn Ye 1st place (from LWHS but part of our chapter), Computer Problem Solving: Keshav Acharya 5th place, Michael Yu 4th place, Rohit Karthik 1st place, Human Resource Management: Felix Hallmann 4th place; Eesha Kunissetty 3rd place, Introduction to Business Communication: Vasudha Narayanan 1st place, Introduction to Financial Math: Divya Ramu 6th place; Johan Karukayil 5th place, Introduction to Information Technology: Johan Karukayil, Network Infrastructures: John Karaca 5th place; Michael Yu 3rd place, Organizational Leadership: Isha Rajpul 5th place. The Tesla STEM Economics Club, advised by Ms. Ryfka Schafer,competed in the University of Pennsylvania Wharton School of Business investment competition. Congratulations to all of the winners listed below, and to our new State Officer At-Large, Brayden Brackett! Wow. Congratulations to the following students: Bhavya Nandikanti, Karina Kejriwal,andDivya Singh: 1st Place, Intro to Business Presentation, Rohit Karthik: 3rd Place, Introduction to Information Technology. Designing a Cost-Effective and Customizable 3D Printed Tongue for the Purpose of Gaining Sufficient Unsupported Synthetic Tongue Muscle Articulation for Use in Speech and Swallowing, Comparable to Organic Tongue Muscle Articulation, Rashida Hakim. Tesla STEM Magenta finished in 9th place. NHD is an annual competition where student conduct primary source research on a topic of their choosing, but in conjunction with a specific annual theme. Congratulations to Ms. Sheffels's AP Language students who entered and won prizes in the Holocaust Center for Humanity contest! Science Olympiad is played by teams of 15 students who compete in pairs and trios across 23 total events. Keen to engage students with hands on experiments and STEM-based. Sarthak Lodha Tesla STEM sent three teams to the Department of Energys Regional Science Bowl Championships in sunny Pasco, WA. This is by far the most students we have had qualify. They represented Tesla STEM very well. They had to navigate trying to finish their project and create their trifold plus prepare for virtual judging and judge questioning all in a matter of weeks. STEM Activities for Kids (481 results) - Science Buddies It is hard to overstate how proud we are of these teams for much more than the resultsit is a joy to see the leaders build a culture and esprit de corps that are just as important as the results they produce. 32 teams competed in the State Tournament of the Science Olympiad. Model UN participants must debate and negotiate on behalf of their assigned countries, as well as submit researched position papers. Our kids rock. They won cash prizes! The team consisted of the following members: William Gong: 10th Grade Thank you all for your continual support and amazing work you do with these students in all classes. and three judges for the research projects, and we successfully livestreamed the entire event! Haley Didway-Eriksen - AP Biology Teacher - Tesla STEM High - LinkedIn The Aspirations in Computing Educator Award identifies outstanding educators who play a pivotal role in encouraging young women to explore their interest in computing and technology, and recognizes these educators for their efforts to promote gender equity in computing. Tesla announced the following education grants: $315,550 to FIRST Nevada and $127,100 to Robotics Education and Competition Foundation (VEX) as part of a multi-year investment for the establishment of a quality robotics program at every school in Nevada. Tesla STEM High School in WA - Niche Two LWSD robotics teams compete at the state championship after Our Tesla STEM scholars showed their resilience by participating in the TSA State Conference, held remotely on March 19 and 20th. 9) also had a very strong Senior Individual documentary on Nikola Tesla, but unfortunately did not qualify to move on to the state final competition. Eli Trepte 3rd place, Art: Tesla STEM High School DiplomaPhysics 2019 - 2023 Activities and Societies: Physics Club (president), Science Bowl (president), Math Club (co-president), Science Olympiad (board) Honors &. This year, Tesla STEM Science Olympiad participated in four invitationals, with excellent results: We have listed students results at each event below. Please join us in congratulating our nine scholars and our colleague Melissa Wrenchey who were honored this weekend at the NCWIT Washington: Seattle & West Affiliate Award Celebration. We have threestudents who qualified assemifinalistsfor theUSABOOpen Exam, meaning that they scored in the top 10% of students nationally. To close,I am so very proud ofall our students. Award recipients are selected based on their aptitude and aspirations in technology and computing; leadership ability; academic history; and plans for post-secondary education. Additionally, for the first time ever, Tesla STEM had a record 8 of the 16projects (50%) pulled for further judging inconsideration for beingan ISEF Finalist at WSSEF!! The writing prompt was a letter to Gov. I'm a senior at Tesla STEM High School in Redmond, Washington interested in biomedical research and computer science. It is important to note thateven if they did not receive a prize, ALL students who participated put forth a huge amount of timeandeffortand I was so impressed with our students poise, professionalism and grace at the fair. Normally, an invitational is held in-person at the hosting school, and while the TSHS team made every effort to host a joint event for both in-person and online competitors, the Omicron variant of COVID-19 forced the invitational to be online-only. Sixty-one teams advanced to the National Science Bowl. I could not have gotten everything done with our her help and the help of the leadership team. Five submissions from Tesla students took the top five prices at the ESRI ArcGIS Online Washington State Competition. Rohan Iyer This team, Prerana Kota, Cheguvijay Aashray, Reese Long, Tejas Pakalapati, and Arihant Singh, was the highest-finishing second team. Their workwill be submitted to ESRIto compete against the winners from other states. 50 Stem Activities To Help Kids Think Outside the Box 1stplace: Cindy Chen, Facial and Emotional Recognition Among Caucasian and East Asian Adolescents, 2nd place: Aastha Shah,Evaluating the Relationship Between Stress and Impulsivity in a Mathematical Context, 3rdplace: Vijaya Sripada, Using Various Inputs of Smell to Reduce Depression Score in Alzheimer Patients, 4thplace:Praharsha Manda,Development of the Education Implicit Association Test (IAT), 1stplace:Rhea Kuppa, 3D Printing Bio-Inspired Heart Valves to Increase Efficiency of Perioperative Care, 2nd place:Aubrey Grove,Assessment of Yoga Therapy of Mindfulness-Based Therapy Interventions of Symptom Severity and Quality of life in a Cohort of Adults with Inflammatory Bowel Disease, 3rd place: David Gershony,Combatting Anxiety in Dental Offices Using Virtual Reality, 2ndplace: Edward Zhou,Dampening Phantom Shockware Jams in Mixed-Autonomy Traffic Via Deep-RL Control of Autonomous Vehicles, 1st place:Anjali Sreenivas,A Machine Learning Approach to Identifying Blood-Based Biomarkers for Differential Diagnosis of Alzheimer's Disease, 3rd place:Anya Vaish,Bioinformatic Analysis to Find a Universal Sequence from SARS-CoV-2 Genomes for the Potential Development of a Pancoronovirus Vaccine, 3rd place:Danyuan Wang,Using Machine Learning Methods to Estimate the Distribution of Harmful Invasive Phytoplankton, Chemistry, Earth, Environmental Sciences and Technology, 1stplace:Arihant Singh and Druhin Bhowal, It's Flaming Out: Using Artificial Intelligence to Emulate Critical Aspects of Wildfire Growth, 2nd place: Evan Kim,Utilizing a Generative Adversarial Network to Predict Hypothetical Superconductors, Biomedical, Molecular and Cellular Biology, 3rd place:Tanvi Sapar and Shivani Godse,Creating a Structural Model of SaSrtA-Inhibitor Complex to Predict Efficiency of Class A Sortase Enzyme Inhibitor Molecules, 1st place: Harish Krishnakumar,Analysis of Ring Galaxies Detected Using Deep Learning with Real and Simulated Data, 3rdplace: Anisha Vaish, Automated Pill-Dispenser to Improve Medication Compliance Efficiency and Accuracy, Regeneron Biomedical Sciences Award ($500):Anjali Sreenivas,A Machine Learning Approach to Identifying Blood-Based Biomarkers for Differential Diagnosis of Alzheimer's Disease, American Psychological Association (APA) Award:Karina Kejriwal, The Impact of Credibility When Hitting "Purchase Now", Materials Science special categoryAward:Evan Kim,Utilizing a Generative Adversarial Network to Predict Hypothetical Superconductors, American Meteorological Society Award:Suyash Mothukuri, Diagnosing Precipitation from IR Satellite Images, Stockholm Junior Water Prize:Siddhant Porwal,Predicting Waterfall Forms Through Feature Engineering and Model-Selection Machine Learning, Monisha Krothapalli, Engineering a Surface Flow Constructed Wetland to Evaluate Efficiency for Combatting Water Scarcity. ISEF is the world's largest pre-college International science fair representing approximately 1,800 high school students from more than 75 countries that compete for on average of $4 million in prizes. If you see the following students, please congratulate them on this achievement: According to state test scores, 95% of students are at least proficient in math and 95% in reading. We are grateful. The Team competed in 2 rounds (60 minutes per player) Friday evening and another 3 rounds (90 minutes per player) on Saturday. The Exhibit, on the subject of the first African Americans hired at Boeing is titled, Forming New Frontiers in Seattle: The Debate for Fair Employment at Boeing from 1935 1949, Senior Group Documentary:William Gong, Teddy Dong, Ethan Yu, Arihant Singh and Ziang Chen, Their Documentary is titled, A Welcome Beacon in the Dark Night: How Debate and Diplomacy in Czechoslovakia Sparked the Passage of the Marshall Plan, Title of his Paper: Lines in the Sand; Failures and Consequences of the Partition of the Ottoman Empire. 1stplace Nathan Apfel, Spring Chenjp, An Doan and Oleg Ianchenko. The team was comprised of. andcongratulationsto one of the five GRAND PRIZE WINNERS who won the extraordinary honor of competing at ISEF.Nikki Taleghanifor her project onCarbon Dot and Cyanoacrylate Fuming Method for Latent Fingerprint Detection. 9th and 10th Grade Division Qualifiers: Wehadtwostudents take home ISEF bids and place in the top six best projectsof the whole fair and they will begoing to Phoenixfor the International Science and Engineering Fair in May. All three have thus earned the right to participate in the National competition at the University of Maryland in early June. Each day consists of 3 questions over 4.5 hours. Tesla STEM High School - YouTube The highlight was winning the Best Large Delegation Award, which goes to the entire team. I am happy to report that our Team finished 6th in state, earning 16.5 out of a possible 25 points. 11) finished 1st in the Senior Individual Documentary category with her work on female animators at Walt Disney Studios, and Anusha Srivastava and Esther Wang (gr. This years winning entry shows the artists great skill with watercolors as a medium. Jenai Sheffels 6thplace An Doan, Shrey Srivastava and Claire Yang, School Schedules overview - Tesla STEM High. Not only did we have one of our esteemed students take home the GRAND PRIZE winner of the whole fair, but we got two additional bids to ISEF, so now we have a record 3 student projects going to Los Angles for the International Science and Engineering Fair in just a few weeks. Please congratulate these students when you see them around. at Bremerton High schoollast weekend. Emerging Business Issues: 2nd Place - Team Claire Yang, Shrey Srivastava and An Doan; Management Information Systems: 1st Place - Maxwell Wang and Brian Yao; 3rd Place - Vidyut Baskar, Rohit Gupta and Nihal Thomas; 4th Place - Team of Emma Shi and Osheen Tikku. Amrutha Srikanth finished 1st in the Senior Individual Documentary category,with her piece titled,Behind the Screen: The Rise of Women Animators in Walt Disney's Studios. This year, instead of flying all of them to Washington, DC, the Federal Government hosted an online tournament to determine the final 8 teams that will fly to the Capitol and compete. This means that 3 projects from Tesla STEM will be going to ISEF. There were a total of 283 students that participated in the tele-judging (with only 4 no shows!) There were five judges for the startups (one of whom was Melanie Kong!) Other prizes include: Outstanding Delegate: Spring Cherip (African Union), Honorable Mention: Anna Whiteside (ECOSOC), Rishika Veeramachaneni, (Joint Crisis Committee). atWSSEFon March 30th. Digital Video Production:Kshitij Rao & Steven He, 4th place;Siddhant Porwal,Manas Kanakala & Mohit Soni, 5th place, Engineering Design:Gaya Pillai, Rishika Gautam, Shivani Sama & Annie Adhikary, 2nd place, Board Games:Anjana Punniamoorthy & Vasudha N, 2nd place, Children's Stories:Anusha Sharma, 1st place, Data Science & Analysis:Rishika Gautam, 1st place, Geospacial Tech: Druhin Bhowal, Siddhant Porwal & Mohit Soni, 1st place. Typical learning pathways at Tesla STEM include the computer science pathway (AP CS Principles (9), AP CSA (10), Data Structures (11), Advanced Projects in Java (12)), the engineering pathway (Engineering, Engineering 2, Engineering 3), and the life sciences pathway (AP Biology (10), AP Psychology (11), Biomedical Engineering and Please also congratulate Vaishnavi Phadnis who helped run the State conference as the HOSA President-elect for WA state and Varsha Veermacheneni who is currently the WA state HOSA Reporter this year. Competing against students from around the region, STEMUN students demonstrated skills in diplomacy, negotiation, critical thinking, compromise, and public speaking. Tesla STEM High - Lake Washington School District Along with the event results below, we had four students run for State Officers for next year and two of them won, Karina Kejriwal and Cindy Chen. Tesla STEM seniors who placed were: One out of every six students at Tesla STEM participated in HOSA this academic year with total student participation adding up to thousands of hours of work. Shri Bhat 1st place Aditi Ekbote and Vidhi JainDrug Combinations with Antibiotics and Curcumin to Combat Antibiotic Drug Resistance, Nina Gupta,Human Chorionic Gonadotropin Home Pregnancy Test to Detect Early Stages of Ovarian Cancer in Postmenopausal Women, 1st place in Biomedical and Health SciencesCategory, Senior Division, Nitisha Gautam and Diya BasuA Novel Machine Learning and Western Blotting Approach to Understand theGenomic Differences Between E-cigarette Vapor and Cigarette Smoke and its Relation to Tumor Development, Akshay Murthy,Greet Sense: A Facial Recognition and Obstacle Detection Device for the Visually- Impaired and Blind, Anusha Srivastava, Assessing the Apoptotic Effect of the Bacteriocin Nisin on Metastatic Breast Cancer Cell Viability, Sebastian Wick and Varshan Muhunuthan, Car Exhaust Carbon Capture and Filtration by Implementing Synechococcus 7942 in a Photobioreactor, 1st place in Environmental Engineeringcategory, Senior Division, Callie Wharton and Mychal Miller, The Effect of Age on the Presence of Implicit Bias, 1st place in Behavioral and Social Sciences, Senior Division, Tarini Srikanth,Modeling Potential Drug to Drug Interactions Targeted Towards Cardiovascular Systems, Tristan Stevens and Maxwell Wang, Development of a Bi-Layer Geosyntheticto Decrease Road Deflection, Rachel Oomen,The Efficacy of Mindfulness Regimen On the Inattentive Behavioral Symptoms Among Emerging Adults, Parbeen Sekhon and Rhea Shinde,Improving AccuracyRate of Bitemark Analysis in Forensic Odontology, Marton Teichner,Investigating the Effects of Education on the Impact of Astroturfing, Sowmaya Pratipati, Creating a More Cost-Effective Hydroponics System to Compete with Conventional Agriculture, 2nd place in Plant Sciencescategory, Senior Division, Anirudh Iyer,Analyzing miRNA Expression Levelsin Glioblastoma Patients to Identify Candidate BioMarkers, Elisabeth Berger,Powering a Solid State Fermenter with Compost Cogeneration To Produce Spores for Use as a Myopesticide, Marko Milovanovic and Denis Chelan,Water Purification Via Hand-Powered Pump, Roshni SrikanthIntegrating Cognitive Behavioral Therapy and Mindfulness Principles Within an App To Help Manage and Improve the Mental Health of Refugees Facing Traumatic Stress, Anika GhelaniA Behavioral and Neurophysiological Analysis of False Memories Implanted Through Imagination Inflation and Misinformation Effect For the Distinction of False Memories, Mirra Chinta,Synergism or Antagonism between Docetaxel and Finasteride in Prostate Cancer Model, 2nd place inBiomedical and Health Sciences category, Senior Division, Kristin Acheson,The Effects of Ascorbic Acid on the Binding BetweenCollagen and Catechin, Madison Messina and Eden Netz,The Correlationof Posting Publicly on Social Media andAnxious Sleep Patterns in Teenagers, Van Monday,Examining the Correlation Between County Demographics and the Effectiveness of Major Environmental Legislation, Manasvini Calmidi,Determining the Most EffectiveSalt Concentration of Irrigation Water for Trichoderma harzianamto Confer Salt Tolerance Through Symbiosis to Oryza sativa Plants, BronzePrize Grand Champion Award, won an all expense paid trip to Phoenix,ISEF Finalist, Mathias Foster,Development of a Perpetual Solar-Powered Blimp to Aid Urban Search and Rescue, Toma Itagaki, Examining the Activation of Default Mode Networks in Non-Visual Blinks, Max Reisman Low CostSolar Desalination System Utilizing Salt-Rejecting and Solar Absorber Technology for Quick and Efficient Desalination, 2nd place in Environmental Engineering category, Senior Division, Sunya MohammedImplementing Eye-Tracking Technology For the Advancement of Driver Training, Isha MuraliExploration into Analyzing the Auditory Cortex in Relation to Attention as Measured by Alpha and BetaWaves, 1st place in Behavioral and Social Sciences category, Senior Division, Annie DentonForecasting the Effects of Climate Change on the Distribution of the Pacific Sideband Snail, 1st place in Animal Sciences category, Senior Division, Hemant Dhokia Involuntary Muscle Contraction to Determine If Someone is Lying or Telling the Truth, Varun Srikhar and Siddarth Shende, The Analysis of Environmental Factors Through the Implementation of a Machine Learning-Backed Aerial Drone For Increased Accuracy in Forest Fire Risk Assessment, 1st place in Environmental Engineering category, Senior Division. Very exciting! On Saturday April 30, the Washington State National History Day competition washeld at Lake Washington High School with over 500 students in attendance. Tesla STEM High School is a top rated, public, magnet, alternative school located in REDMOND, WA. It is important to note thateven if they did not receive a prize, ALL students who participated put forth a huge amount of timeandeffortand I am so impressed with our student's perseverance, dedication, and passion for their projects. We had 75 students from Tesla STEM participate and once again, our students out-shined our greatest expectations. The State Championship will be held on Saturday 9 April. All middle school teams competed using the same online platform that will be used in the Science Olympiad regional and state events, which allowed TSHS to grade, rank, and announce results on the day of competition! Get Advice: From advice on classes to college applications, see how your school counselor can help you navigate high school and the college planning journey. After surviving several elimination rounds, the team finished in 4th place nationally (one place higher than last year!). 6thplace Archit Patankar, 3rdplace Cindy Chen and Kavya Srikumar, Graphic Design: Team 1, consisting of Yuchen Li, Evan Kim, Saketh Dhulipalla, Rohan Iyer, and Sami Badal Khan, finished 2nd. Ankita Menon- who was the bronze medal winner at WSSEF and also one of the grand prize winners at CSRSEF: Additionally, of the 75 T-STEM students that competed at WSSEF, Ergonomically designed backpack that reduces postural strain compared to other commercial backpacks, Using Machine Learning to Create A Universal Chronic Social Defeat Stress Classifier, Testing The effects of alcohol on The Effectiveness Of Hericium erinaceous As An Anti-dementia Substance Using Drosophila melanogaster As A Model For Alzheimers, : Autonomous Drones for Search and Rescue Operations, The Correlation Between The Phase of Water And The Presence of Organic Compounds on Near-Earth Objects, : Exploring the Use of Graphene to Strengthen Resins for Flywheel Energy Storage System Rotors, Investigating Biofuel Growth Inhibition and Product Toxicity with Short-Chain Alcohols in Synechococcus Elongatus, Investigating the effect of Fibulin-2 on NF-B pathway activity and proliferation of pediatric gliomas, : A Machine Learning Approach to Detecting and Predicting the Location of Induced Seismicity from Seismic Waveforms, Testing woodruff and neem oil as nontoxic (to humans) botanical alternatives to pest control for taxidermy, A Novel Approach to Quorum Sensing Inhibition using aiiA-Transformed Bacteria in Mixed Culture, : Implementation of Deep Learning Through Haptic Feedback in the Drivers Seat to Reduce Driver Recognition Error, Examining Correlation Between the Genre of Music Present & Increased Academic Performance Through Beta Wave Measurement, Survival Analysis of Pediatric Neuroblastoma Patients Using Gene Expression Data: Identification of Surival Related Biomarkers, Extracting Nickel and Cobalt from Lithium Ion Battery Cathodes, : Developing a malaria detection system through microscopy image classification by utilizing complex machine learning techniques, 3D printing an Intrauterine Device Specifically for Nulliparous Women, by Adjusting Size and Exterior Design, Combining Microcontroller-Based Solar Tracking with an Improved Floating Photovoltaic Platform, Engineering a K-12 strain of Escherichia coli to secrete a Polyethylene terephthalate hydrolase, Using a Two-Layer Siamese Net to Recognize Spatial Patterns of Brain Abnormalities and Model the Onset of Alzheimers Disease, : Simultaneous, Noninvasive, and Transdermal Extraction of Urea and Homocysteine, by Reverse Iontophoresis, Early Holistic Prediction of Alzheimers Disease Using Machine Learning Algorithms, : Classifying Galaxies Based on Photometric Spectral Bands via Support Vector Machines, Using Artificial Intelligence to Optimize Plant Growth In a Climate Controlled Chamber, Using CFD Simulation to Optimize the Airfoil of a Mechanical-Morphing Wing, The Effects of Font and Color Scheme on Perceived Credibility of Websites, We also had more students participate in the test this year than ever before, including, Computer Applications and Simulation Programming: 8, Sowmya Pratipati, Affiliate Honorable Mention, Dilini Nissanka, Affiliate Honorable Mention, Student Choice Award (Sytax Errors): Noah Charleson-Sterritt, Michael Halim, Pinakin Kanade, Samarjit Kaushik, Aran Punniamoorthy.