Helium-3 Ventures

Apptronik is a robotics company that focuses on developing humanoid robots for a range of practical applications across various industries. Its general-purpose robots are designed to perform tasks typically handled by humans, including case picking, down stacking, trailer unloading, palletizing, sortation, and heavy lifting. By offering these innovative robotics solutions, Apptronik aims to help industries overcome labor shortages, improve job satisfaction by relieving workers of undesirable tasks, and enhance overall operational efficiency and productivity in diverse environments.

Engineered Arts specializes in the design and manufacture of interactive humanoid robots that incorporate advanced artificial intelligence. Their notable products, such as Ameca and RoboThespian, are utilized across various sectors, including entertainment, customer service, education, and research. These robots are particularly effective in enhancing user experiences in environments like science centers and theme parks. By focusing on engaging interactions, Engineered Arts aims to push the boundaries of robotics and artificial intelligence to serve diverse applications.

Princeton NuEnergy is a startup specializing in recycling lithium-ion batteries from electric vehicles and consumer electronics. Utilizing its patented Direct Battery Recycling technology, the company recovers high-quality cathode active materials from spent batteries at low operating costs. This process enables Princeton NuEnergy to offer sustainable solutions for energy storage systems and contribute to waste reduction in the electronics industry.

Dendra Systems is an environmental technology company focused on restoring natural ecosystems worldwide. The company aims to empower humanity to achieve a balance in the natural world by providing innovative tools for scalable ecosystem restoration. Its technology addresses the challenges posed by degraded land, which has resulted from years of ecological imbalance. By offering an integrated approach that combines data analytics and automation services, Dendra Systems enables enterprises to effectively meet their ecosystem restoration and reporting needs.

Sage Geosystems is a pioneering company specializing in geothermal energy development. It focuses on optimizing both drilling wells and power plant designs to make geothermal energy more accessible and affordable globally. The company's proprietary technology, Geopressured Geothermal System (GGS), harnesses both heat and pressure from wells, offering reliable energy storage solutions. This approach aims to reduce the cost of geothermal electricity production, enabling businesses to adopt sustainable, green energy sources while minimizing expenses.

Posh specializes in automating the recycling of electric vehicle (EV) batteries through the use of robotic arms and computer vision technology. The majority of retired EV batteries retain approximately 80% of their original capacity, yet manual disassembly methods, which pose risks due to high voltage and potential fire hazards, are currently the norm. Posh's advanced automation system addresses these challenges by streamlining the disassembly process, making it safer and more efficient. This innovative approach not only enhances the sustainability of battery recycling but also facilitates broader access to affordable lithium-ion batteries, thereby contributing to the establishment of a circular economy in the electric vehicle sector. By 2030, the company anticipates the existence of 30 million retired battery packs, presenting a significant opportunity for resource recovery and environmental stewardship.

Skillfully was founded on the belief that hiring should be efficient, inclusive, and skills-centric. Through experiential hiring methods using virtual simulations, employers now see applicant skills in action. This solution uncovers the perfect fit for a role before the interview phase, saving HR teams time, money, and effort. For decades, recruiters have relied on resume-based hiring to superficially qualify candidates by parsing applicant descriptions of skills to determine employability. The rise of AI tools that automatically enhance and submit applications at an unprecedented scale has overwhelmed employer pipelines, making accurate and precise decision-making nearly impossible. Enter Skillfully’s recruitment solution - HiredNow. The HiredNow tool allows employers create custom simulations of real-life, on-the-job scenarios to effectively assess an applicant’s actual skill level. For the first time, employers can see an applicant’s skills firsthand to determine if their abilities match the unique requirements of a job opening before engaging with the applicant directly. These simulations provide a precise skills scorecard for every applicant, vastly improving hiring efficiency compared to traditional resume-driven tools and enabling skills-first hiring at scale. Through the Skillfully platform, employers can also hire directly from our exclusive, skill-verified TalentNetwork, which includes national career partners such as leading universities, community college systems, HBCUs and workforce development organizations. Employers hiring from our TalentNetwork get access to a deeply diverse and highly motivated candidate pool often overlooked by conventional resume-first hiring tools and professional networks. In this new Age of AI “Good on Paper” is no longer good enough for employers searching for the very best talent. Discover how Skillfully can transform your hiring process today!

Hydra Host is a technology company that provides a marketplace for computing resources, aggregating a network of independent data centers into a single dashboard and API. It specializes in cross-cloud infrastructure, focusing on privacy and security for multi-headed applications. By eliminating single points of failure, Hydra Host enhances the security and resilience of its clients' infrastructure, offering features such as redundancy, disaster recovery, and a distributed content delivery network. Its platform is designed to ensure end-to-end encrypted networking, effectively shielding clients' systems from potential attackers while facilitating reliable and secure operations.

Array Labs is a technology company based in Los Angeles, California, that specializes in creating high-quality 3D imagery for various applications. Established in 2021, the company is developing a constellation of radar satellites designed to operate in formation, allowing them to capture global 3D imagery with significantly improved quality. By utilizing clusters of satellites to simultaneously image the same location, Array Labs can enhance image quality by over 60 times compared to conventional methods. This advanced remote sensing technology generates real-time, high-resolution three-dimensional models of the Earth, providing affordable and valuable 3D data to diverse industries, including autonomy, defense, climate research, environmental and social governance, and insurance analytics.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal energy resources worldwide. Founded in 2018, Quaise aims to overcome the geographic limitations that currently restrict geothermal energy utilization. The company's technology repurposes existing fossil-fuel industrial assets by drilling onsite at operational power plants, leveraging existing infrastructure and workforce to facilitate a smoother transition to clean energy. By enabling mining companies to harness this geothermal potential, Quaise aspires to generate terawatts of clean power that can compete with fossil fuels while producing zero carbon emissions.

Rain AI is a semiconductor company dedicated to creating energy-efficient hardware specifically for artificial intelligence applications. By developing neuromorphic chips that draw inspiration from the architecture of the human brain, Rain AI aims to provide scalable, dynamic solutions for AI processing. Its innovative hardware is designed to significantly reduce energy consumption compared to conventional AI processors, addressing the increasing demand for sustainable computing. Rain AI's technology is versatile and applicable across a range of settings, from data centers to edge devices, enabling broader adoption of advanced AI capabilities. The company's advancements in learning algorithms and scaling architecture contribute to the development of more efficient neural networks, ultimately facilitating the construction of processors that mimic true artificial intelligence.

Posh specializes in automating the recycling of electric vehicle (EV) batteries through the use of robotic arms and computer vision technology. The majority of retired EV batteries retain approximately 80% of their original capacity, yet manual disassembly methods, which pose risks due to high voltage and potential fire hazards, are currently the norm. Posh's advanced automation system addresses these challenges by streamlining the disassembly process, making it safer and more efficient. This innovative approach not only enhances the sustainability of battery recycling but also facilitates broader access to affordable lithium-ion batteries, thereby contributing to the establishment of a circular economy in the electric vehicle sector. By 2030, the company anticipates the existence of 30 million retired battery packs, presenting a significant opportunity for resource recovery and environmental stewardship.

Pair Eyewear, Inc. is a New York-based company that specializes in customizable eyeglasses for children. Founded in 2017 by Nathan Kondamuri and Sophia Edelstein, the company offers a unique approach to eyewear by providing base frames and interchangeable top frames that allow kids to express their personal style and interests. By combining functionality with creativity, Pair Eyewear transforms glasses from mere medical devices into a fun and engaging accessory for children. The company's direct-to-consumer model leverages an e-commerce platform, making the purchasing process convenient for parents while enhancing the overall experience for young wearers. Pair Eyewear is committed to offering quality, affordable glasses that are both stylish and practical, featuring hand-polished frames and shatterproof polycarbonate lenses.

SEMPRE provides the first EMP-hardened, resilient, secure military-grade communications and high-performance edge-computing infrastructure for telecom operators, first responders, government and enterprise customers.

Rho is a digital banking platform tailored for high-growth companies, integrating commercial banking, spend management, and treasury services into a comprehensive solution. The platform offers flexible checking accounts for daily operations while securely managing reserve capital through insured treasury management accounts. Rho enables organizations to efficiently handle expenses, accounts payable, and financial operations with advanced technology that enhances workflow efficiency, control, and visibility. By providing physical and virtual corporate cards, Rho empowers businesses to manage and monitor spending across teams, ensuring greater financial oversight. Designed to seamlessly integrate with accounting software, Rho's all-in-one financial platform supports corporate finance teams in optimizing their financial processes.

General Fusion Inc., established in 2002 and headquartered in Burnaby, Canada, specializes in developing commercial Magnetized Target Fusion (MTF), a hybrid fusion method combining magnetic confinement and inertial confinement principles. The company focuses on creating utility-scale fusion power using its patent-pending MTF concept, which has the potential to provide clean, safe, and economical energy. General Fusion develops key subsystems such as plasma injectors, acoustic drivers, and liquid metal vortex compression tests to advance its MTF technology. Backed by a global syndicate of investors, industry leaders, and technology pioneers, General Fusion aims to demonstrate and commercialize its innovative fusion power plants by the end of the decade.

Lingrove, LLC is a manufacturer of bio-composite materials based in San Francisco, California, founded in 2014. The company specializes in producing high-performance natural fiber composites using plant-based fibers and resins through a proprietary process. Its flagship product, Ekoa, combines flax linen fibers and resin derived from industrial waste, offering an eco-friendly alternative for various applications, including guitars and musical instruments. Lingrove's product line also includes thermoplastic pre-impregnated composites and dry linen reinforcements, catering to industries such as commercial interiors, transportation, and construction. The company focuses on reducing deforestation and carbon emissions associated with building materials, providing sustainable and carbon-negative solutions that mimic the strength and appearance of traditional wood.

Metaphor is a language-model-based search engine that simplifies how users carry out web searches.

Shopscribe (YC S21 + EF LD16) enables the 1.3M local shops in Europe – like bakeries and nail salons – to offer subscriptions for their products and unlock guaranteed recurring revenue. In 2020, an estimated 800 billion dollars was generated by small independent retailers in Europe. Very little of this is being captured in subscription models. That's because local shops don't have the technology to create subscriptions – but they really want to. Subscriptions allow shops to unlock guaranteed monthly revenue, up-sell their customers, better forecast their future sales and boost customer relationships. Subscribers get rewarded for their loyalty with special perks - such as access to workshops, gifts and discounts – together with special deals just for them!

Exa builds a language

Falcomm is a fabless integrated circuit design startup focused on providing energy-efficient power amplifier and front-end module products for the 5G mmWave market. The company addresses a critical challenge in 5G communication—enhancing transmitter power and efficiency—by developing a patented technology known as the Dual-Drive power amplifier (PA). This innovative design surpasses the long-standing theoretical efficiency limit of 78.5%, achieving drain efficiencies that are 20% higher than existing state-of-the-art power amplifiers in the mmWave frequency range. Fully tested and verified, Falcomm's technology is compatible with the latest 5G NR modulation standards, delivering Gb/s data rates with remarkable efficiency. By improving the efficiency and thermal performance of power amplifiers, Falcomm's products can significantly reduce thermal management costs and simplify system requirements for various manufacturers, including those in base stations, mobile devices, and radar systems.

TransAstra is a company focused on advancing technologies that facilitate the exploration and utilization of space resources, such as water and valuable materials found on asteroids and the lunar poles. The company excels in identifying and locating asteroids and orbital debris, including fast-moving objects that are difficult to detect with current technologies. By developing methods to prospect, harvest, and utilize these resources, TransAstra aims to support the growth of existing space industries and foster the emergence of new sectors, including space tourism. Their innovative approach includes the extraction of space resources to create rocket propellants, which can be used for commercial satellites and other applications, significantly enhancing the efficiency and sustainability of space operations.

Moons is a healthcare technology company based in Mexico City, specializing in orthodontic and dental hygiene products. Founded in 2019, the company offers innovative dental services that allow customers to straighten their teeth using transparent aligners instead of traditional braces. Moons creates individualized 3D models of patients' teeth, enabling specialists to design tailored treatment plans. Clients visit Moons Studios for consultations with qualified orthodontists, and subsequently receive a set of personalized clear aligners by mail. The average treatment time is approximately six months, during which patients can achieve a straighter and whiter smile at an affordable cost. Moons also provides dental services online in Mexico and Colombia.

Space Forge Limited is a company based in Bristol, United Kingdom, that specializes in the development of reusable satellites for manufacturing purposes. Founded in 2018, it focuses on creating advanced materials, including metals and crystals, that are not feasible to produce on Earth. By leveraging the unique conditions of space, Space Forge aims to manufacture super materials that enhance the efficiency of various industries, including computing, telecommunications, and pharmaceuticals. The company operates laboratories in Bristol and Wales, where it conducts research and development to support its mission of leading a clean industrial revolution through innovative manufacturing processes that reduce energy loss and carbon emissions.