37 Free Udemy Courses On Various Topics
Turn your knowledge branch into a knowledge tree with these (free) Udemy courses!
I am looking for an experienced Physics tutor to assist students in classes 11th and 12th with their JEE/NEET preparation. The primary focus will be on resolving doubts and clarifying all Physics concepts required for these competitive exams. The sessions will be conducted in English through online live group classes. Key Requirements: - Expertise in all Physics topics relevant to JEE/NEET - Ability to explain complex concepts clearly and effectively - Conduct engaging and interactive online sessions - Proficiency in English for clear communication Ideal Skills and Experience: - Strong background in Physics, preferably with experience in JEE/NEET preparation - Previous experience in tutoring or teaching Physics to high school students - Familiarity with...
There is research work in physics. Need someone expert
There is research work in physics. Need someone expert
I'm looking for an interactive 3D Rock Scape builder for a fish tank in a React Native environment. Key Features: - Rock Scape Builder - Users can choose and join rock pieces to create dynam...Key Features: - Rock Scape Builder - Users can choose and join rock pieces to create dynamic structures. - Ability to place and freely move models within the tank. - Flow Simulator - Simulates water movement through the tank, factoring in rock scape and wave maker pump's litres per hour rate. - Physics-based visualization of water movement. Ideal Skills & Experience: - Proficiency in React Native - Experience with 3D modeling and simulations - Knowledge of fluid dynamics and physics visualization - Strong UI/UX design skills for mobile applications Please pr...
I'm seeking a knowledgeable and experienced tutor for my startup coaching business to teach Physics, Chemistry, and Mathematics to students in classes 11 and 12. The tutoring sessions will be conducted online, and I require daily classes to ensure consistent learning and progress for the students. Key Requirements: - Expertise in Physics, Chemistry, and Mathematics for class 11 and 12 curriculum - Ability to conduct engaging and effective online tutoring sessions - Availability for daily classes to maintain a steady learning pace - Strong communication skills to explain complex concepts clearly Ideal Skills and Experience: - Proven experience in tutoring or teaching PCM subjects at the high school level - Familiarity with online teaching tools and platforms - Ability t...
We are looking for an experienced academic content developer or a professional company to create custom-designed, 2–3 page notes per chapter for Physics, Chemistry, and Mathematics (PCM) for Classes 11 & 12 (CBSE-based + IMU-CET/JEE level). Each chapter should include: Concise theory with key concepts, formulas, and diagrams Important derivations / problem-solving approaches Solved examples (basic to advanced) Custom MCQs / assertion-reason / match the column / HOTS questions Short practice set at the end (5–10 questions per chapter) Subject Scope: Physics: Class 11 & 12 CBSE + Entrance (IMU CET level) Chemistry: Physical, Organic, Inorganic Mathematics: Algebra, Calculus, Trigonometry, Coordinate Geometry, etc. Objectives: Crisp, revision-frie...
I'm looking for a physics expert to help with college-level homework. The ideal candidate should have a strong understanding of physics, specifically in mechanics, electromagnetism, and quantum physics. Requirements: - Provide written explanations for homework problems - Expertise in problem-solving and concept clarification - Ability to explain complex topics in a clear, concise manner Ideal Skills and Experience: - Advanced knowledge in physics, preferably with a college degree or equivalent experience - Strong communication skills - Experience in tutoring or teaching physics at the college level
I'm looking for a skilled designer to create a physics educational book of over 200 pages. The project involves either redrawing or generating approximately 200 physics illustrations using AI tools. A solid understanding of physics is essential for accuracy. Key requirements: - Modern digital vector style for illustrations - Open to design suggestions - Proficiency in Adobe Illustrator Ideal skills and experience: - Strong physics knowledge - Expertise in digital vector illustration - Experience in educational book design Please provide a portfolio showcasing relevant work.
I'm seeking a skilled developer experienced in robotics sim...Requirements: - Develop a realistic simulation using Webots or Unreal Engine - Model six robots with accurate physics and navigation behaviors - Implement collision avoidance, path planning, and staggered start coordination - Integrate ROS for seamless operation and control - Provide visualization for demonstrations Ideal Skills and Experience: - Proficiency in Webots, Unreal Engine, or Unity - Strong background in robotics and physics simulation - Experience with LiDAR and camera-based vision systems - Familiarity with ROS integration for robotics applications Deliverables include a functional simulation that accurately demonstrates the operation of our robots on an ice rink, showcasing realistic physics...
I'm seeking an experienced Unreal Engine developer to create a first-person VR simulation game. Key Features: - Interactive Environment: Players can manipulate and interact with various elements within the game world. - Realistic Physics: The game should incorporate advanced physics for a believable and immersive experience. - AI Conversations: Implement AI-driven characters for dynamic, conversation-based interactions. Ideal Skills and Experience: - Proficiency in Unreal Engine, particularly in VR development. - Strong background in physics simulations and AI integration. - Experience in creating immersive, interactive environments for VR. Please provide a portfolio showcasing similar projects.
...for Grade 7 to 10 Physics, Chemistry & Math Teachers for Grade 11 & 12 ________________________________________ What We’re Looking For: A Passion for Education: We want teachers who are passionate about their subjects and excited to inspire young minds. Strong Knowledge Base: Whether you’re teaching algebra, calculus, thermodynamics or organic chemistry, we want teachers who know their material inside and out. Creative Teaching Methods: Use interactive, engaging, and modern techniques to make learning fun and memorable. Excellent Communication: Ability to clearly explain complex concepts in ways that students can easily grasp. Experience & Qualifications: • For Grade 7 & 10, relevant Math or Science degree & teaching experience. • For Gra...
...controller. We’ve completed the environment layout and now need help with: Developing the player movement system, including sprint, crouch, roll, and jump. Creating a combat system (aiming, shooting, reloading, weapon switching). Implementing basic enemy AI with patrol, chase, and attack behaviors. Integrating a C++ backend module for performance-critical calculations (e.g., damage modifiers, physics interactions). Designing a simple UI HUD with health, ammo, and minimap. Handling game states: pause, resume, death, respawn. Optimizing assets and scripts for smooth performance across PC builds. Delivering a working PC prototype with Unity build settings and source files. Ideal Freelancer Requirements: Expert in Unity and Unity 3D workflows (URP/HDRP knowledge a pl...
I'm looking for a skilled Unity 3D developer to create a small, realistic snowboard mobile game demo. Requirements: - Realistic simulation mechanics - Tilt controls for user input - Detailed physics for realistic movements Ideal Skills: - Expertise in Unity 3D - Strong background in physics-based game development - Experience with mobile game controls, particularly tilt mechanics - Ability to create high-quality, realistic graphics Please provide a portfolio showcasing similar work.
I'm in need of an electro-optics engineering expert to simulate continuous-wave laser processes in MATLAB. The primary objective is to conduct a behavioral analysis of these lasers, with a specific focus on power output stability. Key Requirements: - Expertise in electro-optics and laser physics - Proficiency in MATLAB for developing and analyzing simulations - Understanding of key optical concepts and system-level thinking Ideal Skills and Experience: - Strong background in electro-optics engineering - Experience with continuous-wave lasers - Strong analytical skills for conducting behavioral analysis Please provide relevant experience in your bids. Your expertise will be crucial in ensuring accurate and insightful simulation results.
There is research work in physics. Need someone expert
There is research work in physics. Need someone expert
I need an expert in experimental physics who can handle simulations and models, specifically in particle simulations. Ideal Skills: - Strong background in experimental physics - Proficiency in particle simulations - Experience with simulations and modeling tools - Problem-solving and analytical skills - Ability to work independently and meet deadlines Looking for someone who can deliver accurate and reliable simulation results.
There is research work in physics. Need someone expert
...with a physics assignment that covers a range of topics including Mechanics, Electromagnetism, and Quantum Physics. The exact level of the assignment and type were not specified, so I am looking for someone versatile in these areas. Key Requirements: - Strong understanding of Mechanics, Electromagnetism, and Quantum Physics - Ability to handle assignments that may involve problem-solving, essays, reports, or practical experiments - Clear communication skills to explain complex concepts Ideal Skills and Experience: - Background in physics, potentially at a high school, undergraduate, or graduate level - Experience in tutoring or completing physics assignments - Ability to adapt to different types of assignments and provide comprehensive solutions If ...
I need detailed written explanations of Newton's three laws of motion for high school students. The explanations should be clear, concise, and educational, helping students understand these fundamental concepts in classical mechanics. Ideal Skills and Experience: - Strong understanding of physics, particularly classical mechanics - Experience in educational writing - Ability to explain complex concepts in a simple, engaging manner - Previous experience creating content for high school students
I'm seeking a talented 2D animator to create approximately 150 minutes of educational content for our startup, targeting 8th, 9th, and 10th standard students. The animations will cover theoretical concepts in Physics, Chemistry, Biology, and Math, using motion graphics to engage and educate. Key Requirements: - Develop 150 minutes of motion graphics animation - Focus on theoretical concepts in the specified subjects - Create content suitable for 8th to 10th standard students - No specific color scheme or brand guidelines, allowing creative freedom Ideal Skills and Experience: - Proficiency in motion graphics and 2D animation - Experience in creating educational content - Ability to simplify complex theoretical concepts into engaging visuals - Strong storytelling and visual co...
I need assistance with a physics assignment. Requirements: - Knowledge in mechanics, electromagnetism, or thermodynamics. - Experience with high school, undergraduate, or graduate-level physics. - Ability to create written reports, presentation slides, or lab reports as needed. Ideal Skills and Experience: - Strong background in physics - Excellent writing and presentation skills - Ability to meet deadlines and work independently
...to create a distinctive, evocative brand identity. Let’s dissect its components: - Axion: - Greek Origin: The term "axion" stems from the Greek word *axios* meaning "worthy," "valuable," or "deserving." This root carries connotations of intrinsic value, merit, and respectability, which are ideal for a consulting firm aiming to deliver high-impact solutions. - Scientific Context: In modern physics, an *axion* is a hypothetical elementary particle proposed to solve problems in quantum chromodynamics (QCD). It’s associated with elegance, precision, and the pursuit of groundbreaking discovery. The axion’s elusive nature (yet to be detected) adds a layer of mystique, suggesting cutting-edge innovation and forward-thinking...
[URGENT - 48 HOURS] Fix PINN Code to Predict Pressure Field at High Eccentricity in Reynolds-Averaged Equations ⸻ ✅ Project Description: We are looking for an experienced developer or researcher to modify an existing Physics-Informed Neural Network (PINN) code to correctly predict the pressure field under high eccentricity conditions (e.g., e = 0.9) for Reynolds-Averaged equations. ⚠️ The current code works well for low eccentricity (e = 0.3), but fails for higher eccentricity (e = 0.9). Specifically, it underestimates the peak pressure — prediction is stuck around 8, while the reference solution (from finite difference method in MATLAB) is much higher. The following attempts have already failed: • Increasing sampling points near the pressure gradient; • Deepe...
...that works well with special characters. {QUESTION BEGINS} {QUESTION NUMBER} 1 {SUBJECT} Physics {TOPIC} Electric Field and Potential {TAGS} CBSE {QUESTION TYPE} SINGLECORRECT {QUESTION TEXT} Inside a hollow charged spherical conductor, the potential {OPTION 1} Is constant {OPTION 2} Varies directly as the distance from the centre {OPTION 3} Varies inversely as the distance from the centre {OPTION 4} Varies inversely as the square of the distance from the centre {RIGHT ANSWER} 1 {EXPLANATION} Inside the hollow sphere, at any point the potential is constant. {CORRECT MARKS} 1 {NEGATIVE MARKS} 0 {DIFFICULTY} Easy {QUESTION ENDS} {QUESTION BEGINS} {QUESTION NUMBER} 2 {SUBJECT} Physics {TOPIC} Electric Field and Potential {TAGS} CBSE {QUESTION TYPE} SIN...
There is research work in physics. Need someone expert
I need help with a physics assignment. Looking for an expert in physics, preferably with a background in education or tutoring. Ideal Skills and Experience: - Strong knowledge of physics concepts - Experience with problem-solving or concept explanation - Ability to simplify complex topics - Prior tutoring or teaching experience
...Create immersive graphics and realistic physics - Develop enjoyable and challenging gameplay mechanics -Create perspective for both rowers and coxswains; please inform yourself of how the sport works. -Game should include aspects of timing of the oars in a bar click system, upgrading the power of your character through workouts, executing strategy and moves as a coxswain, energy aspect throughout the race (drains throughout the race and gains a boost for the sprint when the coxswain "calls" it, different vibrant race courses. There could be many more aspects such as racing uniforms and character design. Ideal Skills: - Proficiency in game development engines (Unity, Unreal Engine) - Strong experience in first-person game design - Knowledge of physics-based simul...
I need assistance with my calculus assignment and possibly physics. For calculus, I need help with: - Derivatives and Integrals - Limits and Continuity - Series and Sequences Ideal skills and experience: - Strong background in calculus and physics - Experience in tutoring or teaching these subjects - Ability to explain complex concepts clearly Please provide your approach and availability.
I'm looking to hire a freelance programmer to help develop a 3D puzzle game for PC. This is a project with a small scope that I'm developing on my own so I can only offer a very limited amount of money, I'm also open to revshare. Game Summary: - Genre: 3D Puzzle - Platf...(Windows) - Engine: Flexible (Unity or Unreal) - Style: First-person puzzle-solving in a simple environment Your Role: - Take charge of all programming aspects - Player movement, puzzle logic, UI, and level flow - Collaborate remotely, async-friendly Requirements: - Experience with at least one major game engine (Unity or Unreal) - Comfortable with 3D gameplay systems (camera, input, physics, etc.) - Ability to work independently and communicate clearly and kindly Thank you. Looking for...
I need an email draft to a Physics Nobel Prize winner. The email should be formal and long, expressing admiration for their work. Requirements: - Praise specific contributions to physics - Use formal and sophisticated language - Lengthy and detailed Ideal Skills: - Strong command of formal writing - Knowledge of physics and its contributions
...with a puzzle area where the user can interact with the pieces. Buttons to reset the puzzle or start a new one, possibly with a visual progress bar showing how far along the user is in solving it. Buttons to place an order for the actual 3D puzzle off a website or through the app … per country… Development Platforms Unity: Unity could be a great platform for this, as it supports both 2D and 3D physics and interactions, which would help with the puzzle piece movement and realistic clicking and sliding animations. Flutter: For a more UI-focused approach, Flutter would let you create a highly interactive experience for both Android and iOS with a single codebase. You can also easily integrate the vibration and audio features into it. Potential Flow: Start Screen: ...
...time. Requirements: Significant (5 years or more) experience in simulation and design (optimization) of on-chip photonics elements (waveguides, phase delays, couplers/gratings, splitters, etc.). Specifically: 1) Understanding of photonics physics and light propagation. 2) Past experience with photonics simulations. Forward problem: Given the geometry of a waveguide, phase delay, input/output coupler, or splitter, find the propagation of light (modes), and be able to debug/understand errors based on experience and deep knowledge of photonics physics. 3) Past experience with photonics design/optimization. Inverse problem: Given a desired behavior (e.g. input coupler that accepts coherent light from 80 to 100 degrees, achieve at least 80% coupling efficiency to single-mod...
I'm looking for a skilled game developer to create a photorealistic version of Geometry Dash for PC and Mobile platforms. The revamped game should be pre-installed and ready to play by July 8, 2025. Key Requirements: - No lag or crashes - Smoother controls - New levels - Enhanced physics - Free chests every hour Ideal Skills: - Expertise in game development for PC and mobile - Strong background in photorealistic graphics - Experience in improving game mechanics and physics - Ability to meet tight deadlines
...Customization options for difficulty and question types Phase 3: Review & Approval Review interface Edit/save workflows Notifications to teachers Phase 4: ERP Integration Save to academic planner Sync with timetable and student dashboards Export features *6. R&D & Challenges* AI accuracy in syllabus understanding Mapping across boards (CBSE vs State) Scientific formula and symbol parsing (Physics, Chemistry) High-quality, bias-free question generation *7. Monetization / Licensing Notes* Free for basic use with a limited number of subjects Premium AI-powered assessment generation as a paid feature Optional: Partner with educational publishers for verified content Syllabus would be the main concern based on the syllabus we have to make a structure o...
I'm looking to create an immersive Star Wars mod for Minecraft that includes a space travel system. The mod should feature: - Realistic physics for space travel - Customizable travel routes - Hyperdrive system - Ability to fly iconic Star Wars ships (like the X-Wing, TIE Fighter, Millennium Falcon, and Star Destroyer) between Star Wars-themed planets Ideal skills and experience: - Expertise in Minecraft modding - Strong understanding of space physics and game mechanics - Familiarity with Star Wars lore and ships - Experience in creating customizable travel systems within games Please include examples of similar mods you've created.
I'm an education student majoring in General Science and I need assistance with creating engaging learning materials. Key Tasks: - Create visually appealing PowerPoint presentations on Mechanics in Physics - Design simple multiple-choice worksheets or quizzes. - Proofread or edit science-related lesson plans or learning modules. - (Optional) Create short educational videos or animations on science concepts. Ideal Skills: - Proficiency in PowerPoint and graphic design. - Experience in creating educational content. - Strong proofreading and editing abilities. - (Optional) Video editing and animation skills.
We need a subject-matter expert to verify the accuracy and clarity of an online science course (university-level) taught in Chinese. Your role involves fact-checking content, ensuring pedagogical effectiveness, and suggesting improvements. Key Responsibilities: ✔ Content Validation: Cross-check scientific concepts (physics/chemistry/biology) against peer-reviewed Chinese/English sources. Flag outdated theories or misinterpreted data. ✔ Clarity Assessment: Evaluate explanations for student comprehension (e.g., complex terms like "量子纠缠" → proper definitions). Suggest simpler analogies where needed. ✔ Structural Feedback: Review course flow (logical progression of topics). Identify gaps in quizzes/diagrams/lab instructions. Requirements: ✅ Native Chinese + adva...
I'm looking for a subject matter expert to create a JEE level mock paper for Modern Physics. The mock paper should exclusively focus on Numerical Answer Type questions. Requirements: - Expertise in JEE Physics, particularly Modern Physics - Experience creating high-quality, challenging mock exam papers - Ability to formulate precise Numerical Answer Type questions
...with a layered sensory feedback loop (visuals, sound, haptics). You’ll be responsible for implementing smooth, physics-based interactions and visual polish using Unity’s URP pipeline—optimized for mid-tier Android and iOS devices. This is a freelance contract (4–6 weeks), with potential for extension based on performance and roadmap alignment. Responsibilities: Develop touch-driven object interaction mechanics with timed visual/audio/haptic feedback. Integrate 3D models and shaders using Unity URP (no HDRP) to simulate realistic slicing, deformation, and transitions. Implement modular prefab-based systems to support scalable content (e.g., objects with variable textures, physics responses, FX). Collaborate with VFX artists, sound designers, and pro...
I'm seeking a skilled MATLAB developer with a background in electro-optics and laser physics. The project involves simulating laser dynamics and requires proficiency in Simulink. Key Tasks: - Simulate photon number evolution using rate equations. - Initial conditions: zero photons, all atoms in ground state. - Given pumping rate. - Plot number of photons vs. time until laser intensity reaches steady state. - Detailed, annotated plots required. - Simulate photon emission rate from the cavity as a function of pumping rate. - Plot emission rate vs. pumping rate over specified range. - Detailed, annotated plots required. Ideal Skills and Experience: - Background in electro-optics and laser physics - Proficiency in MATLAB and Simulink - Strong analytical and ...
...relevant images, to train an AI model across various Physics sub-domains. This initiative aims to enhance AI's understanding and explanation capabilities in key areas of Physics. A single task on this project requires creating a prompt-response pair based on images from various topics in Physics. Every task submitted by a contributor goes through reviews and is subject to rework if any errors are found. The rework on a task is part of a single task submission and is not considered a separate task for payments. The project requires 100 successful task submissions by the hired contributor. Project Overview: DURATION: Approximately 4 weeks, with potential for extension SCOPE: Creation of prompt-response pairs related to: -Modern Physics -Classical Mechan...
...(combat, magic, utility) Includes unlock system, XP cost, stat upgrades Dark Magic Unlock: Found by holding "F" at a hidden altar in the Dark Magic biome Switches player to dark spells (with red/black FX) Dark magic is premium-enhanced (stronger stats, effects) Daily Spin Wheel: 1 free spin a day Guaranteed Legendary item on Day 30 of streak Additional Systems: PVP Arena: 3-round matches Physics-based weapons Optional PvP mini-games Admin Panel: Opens with RightShift Options: Give VIP, Ban, Teleport, Grant Spin, etc. Must include admin access for TheBigJohnny282 and Merky_Fur Leaderboard at spawn: Tracks playtime, quests, spins, etc. Map UI: Press "M" or tap map icon to view world map Shows explored areas, locked biomes, portal travel point...
...should feature: - Realistic bend physics for the pole - Standards adjustable in 1cm increments - Detailed map based on Clermont-Ferrand All-star Perche event in France - Stamina Q & E sprint system - Stats for Strength, Technique, and Stamina to level up - Non-simulator UI, with stats displayed on the side - Controls: Invert up with W, Turn left/right with A/D, Pike/down with S - leaderboard for World records, World leaders etc. - Competitions for Pole Vault where the bar goes up in 5cm increments -Excellent modeling for the map, pits, standards, poles, etc. -Good running, inverting, turning animations. each centimeter is .048 of a Roblox stud, (ex: 5.00m = 24 studs) Requirements: - Experience in game development through Roblox Studio, especially in physics simulatio...
...should feature: - Realistic bend physics for the pole - Standards adjustable in 1cm increments - Detailed map based on Clermont-Ferrand All-star Perche event in France - Stamina Q & E sprint system - Stats for Strength, Technique, and Stamina to level up - Non-simulator UI, with stats displayed on the side - Controls: Invert up with W, Turn left/right with A/D, Pike/down with S - leaderboard for World records, World leaders etc. - Competitions for Pole Vault where the bar goes up in 5cm increments -Excellent modeling for the map, pits, standards, poles, etc. -Good running, inverting, turning animations. each centimeter is .048 of a Roblox stud, (ex: 5.00m = 24 studs) Requirements: - Experience in game development through Roblox Studio, especially in physics simulatio...
I'm looking for an experienced Roblox game developer to create a pole vaulting game. The game should cater to competitive players and those looking to train. Key Requirements: - First-person or third-person perspective - Realistic physics to emulate actual pole vaulting - Achievements and leaderboards - Leaderboard featuring world records and top pole vaulting leaders Ideal Skills and Experience: - Proficiency in Roblox Studio - Strong understanding of physics in game design - Experience with implementing leaderboards and achievement systems - Ability to create engaging competitive gameplay environments Prove you are not an AI generated profile or attempting to scam by making me a Roblox character planting and bending a pole. Anyone who can do that will get my 100% wo...
I'm looking for a skilled Roblox developer to create a pole vaulting game with realistic physics and a realistic visual style. Key Requirements: - Realistic pole vaulting mechanics - Realistic graphics and animations - Engaging gameplay suitable for all ages Ideal Skills: - Proficiency in Roblox Studio - Strong understanding of physics-based gameplay - Experience in creating realistic 3D models and animations Please provide examples of similar work and your approach to game development.
I'm looking for a designer to create a minimalist, student-friendly physics revision notebook page. The design should be inspired by exam specifications like OCR Physics H556. Key Requirements: - Simple title header at the top for each topic - Structured index in a grid layout with clearly labeled chapters/modules - Generous white space, especially at the bottom - Clean sans-serif font at 12 pt, slightly reduced size for spacious modern look - Small fill-in box for ticking/color-coding next to each entry - Line for students to write key information - Thin lines, minimal icons, and soft pastel blue tones Ideal Skills & Experience: - Graphic design - Experience with educational materials - Strong typography and layout skills - Proficiency in design software (e.g., Ad...
We have a working Physics-Informed Neural Network (PINN) setup using NVIDIA's [PhysicsNemo]() framework. The simulation runs correctly, but the **output violates physical laws** — velocity in a narrowing throat region decreases, which contradicts continuity. --- ### What we have: - 3D STL geometry and mesh - Physics-informed training code using `physicsnemo` - Loss setup already includes Navier-Stokes terms - Trained model outputs, but unphysical flow field - Directory includes: ``, ``, ``, `conf/`, STL, outputs - Archive file (275MB): [DOWNLOAD LINK HERE - INSERT YOUR LINK] --- ### Your Task: 1. Inspect the code (esp. loss and boundary conditions) 2. Fix the setup so that
I'm seeking a tutor for a 2-hour session on Material Studio Visualizer. Focus Areas: - Molecular Modeling - Building Molecular Structures Ideal Skills & Experience: - Proficiency in Material Studio Visualizer - physics background - Strong background in molecular modeling - Teaching experience, especially with beginners Looking forward to your expertise!
Turn your knowledge branch into a knowledge tree with these (free) Udemy courses!
Nicholas Demeter hired a freelancer to solve an equation for peaceful elections