Helium-3 Ventures

Apptronik specializes in developing humanoid robots designed for various real-world applications. Their robots are capable of handling tasks typically performed by humans, such as case picking, down stacking, trailer unloading, palletizing, sortation, and heavy lifting. This enables industries to address labor shortages, improve job satisfaction, and enhance efficiency.

Engineered Arts designs and manufactures humanoid robots, including Ameca and RoboThespian, that enable engaging interactions through artificial intelligence. Based in Cornwall, United Kingdom, the company develops robots for entertainment, information, education, and research, and also creates software to enhance robot capabilities for customer service and interactive experiences.

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 globally. It develops tools and capabilities to power scalable ecosystem restoration, combining data analytics and automation to support restoration and reporting requirements for enterprises. The company addresses degraded land worldwide where restoration has lagged behind habitat destruction, offering an integrated approach that helps organizations plan, monitor, and execute restoration projects. By providing technology that enables data-driven decisions and automation, Dendra Systems aims to improve the efficiency and scale of restoration efforts, contributing to rebalancing human impact on the natural world.

Sage Geosystems specializes in innovative geothermal development. It aims to optimize both wells and power plants to make geothermal energy accessible and affordable globally.

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 operates a marketplace for computing resources, aggregating independent data centers into a single platform. It offers bare-metal GPU server rentals, clusters, procurement services, security consulting, and HPC expertise, enabling global deployment of high-performance workloads with redundancy and cost efficiency.

Founded in 2021, Array Labs is a Los Angeles-based technology company specializing in advanced remote sensing. It develops clusters of radar satellites to capture high-quality, synchronous 3D imagery of Earth, enhancing image resolution by over 60x compared to conventional methods. This enables diverse industries such as autonomy, defense, climate monitoring, and environmental management to access affordable, high-resolution data for various applications.

Founded in 2018, Quaise is an innovative energy company based in Cambridge, Massachusetts. It specializes in developing and commercializing advanced millimeter-wave drilling systems to access geothermal energy sources worldwide, overcoming geographical limitations.

Rain AI is a semiconductor company specializing in developing energy-efficient hardware for artificial intelligence applications. It focuses on creating neuromorphic chips inspired by the human brain's architecture, designed to be more energy-efficient than traditional AI processors.

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 offers an integrated financial platform designed for businesses. It combines card payments, banking services, and advanced software to streamline expense management, accounts payable, treasury operations, and month-end closures. Rho synchronizes with popular accounting software, empowering finance teams with enhanced efficiency, control, and visibility over cash flow.

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.

Founded in 2014, Lingrove specializes in manufacturing eco-friendly bio-composite materials. Utilizing a proprietary process, they produce high-performance natural fiber composites from plant-based fibers and resins, aiming to reduce deforestation and embodied carbon in industries such as commercial interiors, transportation, and construction.

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.

Founded in 2019, Moons specializes in orthodontic solutions, offering transparent dental aligners tailored to each patient's needs. The company provides direct-to-consumer products and online dental services in Mexico and Colombia.

Space Forge is a space manufacturing company that develops a reusable satellite designed to produce next-generation super materials in space for return to Earth. The satellite uses the space environment to create alloys and crystals that are not possible to manufacture on Earth, enabling clients to achieve materials with lower energy loss and lighter components for use in computing, telecoms, and pharmaceutical products. The company operates laboratories in Bristol and Wales and focuses on manufacturing advanced metals and materials. Founded in 2018 and based in Bristol, Space Forge aims to enable on-orbit manufacturing that advances material performance for industrial and aerospace applications.