Lemnos Labs is a startup accelerator that invests in early-stage hardware companies, offering mentorship, resources, and funding typically ranging from $50,000 to $100,000 for 2-10% equity. The program focuses on reducing risks in financial, technical, and market aspects and aims for participants to develop a working prototype and a validated business model within 1-2 years. Lemnos Labs utilizes a continuous investment model throughout the year and addresses the unique challenges of hardware development.