Best 10 Free, Open-source cashier and PoS (Point-of-Sale) software for 2024 (Updated)

Best Free POS Systems for Small Business: 2025 Comparison

Free POS System [2022] The 5 Best No-Cost Brands

Technology Explained ⚙️ on Instagram: "Follow @explaining.tech to learn everything about technology one post at a time 🧠⚙️ The clove hitch might look simple — but it’s pure physics in action. Firefighters use it because the knot balances friction and tension perfectly. Once tightened, the rope’s pressure distributes evenly across the hitch, locking it in place without slipping, even under extreme loads. It’s quick to tie, easy to release, and strong enough to save lives. That’s physics doing it