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Curated videos & free resources
Hand-picked, beginner-friendly material to pair with every lab. Videos only load when you tap — no wasted data.
Realistic drag-and-drop simulations — build PCs, wire networks, hunt cyber threats, explore living cells. Works on any device, even a 2G connection. Open a lab right now, no account needed.
Drag, connect, troubleshoot and build — then get instant feedback that explains why each choice matters. No passive watching; real doing.
Drag CPU, cooler, RAM, GPU and PSU into a build. Live power meter + compatibility checks — just like the real thing.
Wire PCs, a server, a switch, router and the Internet. Assign IPs and run a ping test to prove your topology works.
Hunt red flags across two emails — one scam, one genuine. Spot tricks and give a verdict. Know the difference.
Label all 8 organelles on a real cell diagram, learn each function, then take a bonus quiz to lock in the knowledge.
Wire AND, OR and NOT gates together and watch truth tables come alive in real time.
Practice essential shell commands in a safe interactive sandbox.
Divide a network into subnets and check your CIDR notation maths.
See exactly why weak passwords crack instantly and how hashing protects them.
Run an acid-base titration and watch the indicator change at the equivalence point.
Bond atoms into valid molecules and balance chemical equations.
Transcribe DNA to mRNA and translate codons into amino acid chains.
Build circuits, vary resistance and voltage, watch the current change live.
No heavy frameworks. No autoplay videos. No paywalls. Just real simulations that work on a phone, on a shared computer, or on the slowest connection on campus.
Pages under 20 KB each. Videos only download when you tap them.
No sign-up. No subscription. No ads. Open a lab and start in three seconds.
Drag, connect, build, troubleshoot — the same muscle memory a physical lab builds.
Full touch and mouse support. Works on a phone, a tablet or a lab computer.
Hand-picked, beginner-friendly material to pair with every lab. Videos only load when you tap — no wasted data.