📝 Integration by parts. Geometric intuition clearly The integration by parts formula is: ∫ u · dv = u·v − ∫ v · du …Open in Telegram ↗
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⤵️ Physics problem for our subs Estimate the characteristic distance at which a person sees 'wet asphalt' on a long straight…Open in Telegram ↗
🟡Handy probe for radio amateurs 🟡 How to check for RF field on a pulse transformer and choke using an LED and a coil…Open in Telegram ↗
⚙️ Wankel Engine: Another Path for ICE 💠 The familiar reciprocating piston engine with its back-and-forth mechanics is not the only way…Open in Telegram ↗
🔊 Oscillations, standing waves, resonance, and sugar as an indicator of sound wave nodes 〰️ A standing wave is a stable oscillatory…Open in Telegram ↗
⚙️ The graph resulting from such manipulations is a trochoid, whose supporting surface is not flat but has a variable…Open in Telegram ↗
👨🏻💻English-language resources for learning IT 🔹 stackoverflow.com — the main knowledge base for developers. 24M+ questions and…Open in Telegram ↗
✈️ The first cyclotron, developed by American physicists E. Lawrence and S. Livingston back in 1930, had a relatively…Open in Telegram ↗