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Andres Tretiakov

@Andrestrujado • 2,623 subscribers

Chemist & science enthusiast in a journey of discovery, understanding & learning. I enjoy tinkering & making stuff (sometimes 🐝 keeping) #techniciansRULE👨‍🔬

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Be afraid be very afraid of black flames! In flame tests excited electrons in sodium in table salt emit almost monochromatic yellow at 589 nm. A low pressure sodium lamp also emits the same λ. The flame also absorbs that light & appears black. #spookychemistry 🔥
0:23
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Be afraid be very afraid of black flames! In flame tests excited electrons in sodium in table salt emit almost monochromatic yellow at 589 nm. A low pressure sodium lamp also emits the same λ. The flame also absorbs that light & appears black. #spookychemistry 🔥

Andres Tretiakov

49,648 次观看 • 2 年前

New demo to visualise microwaves using neon glow lamps as detectors #electromagneticspectrum #dischargelamps #energyconservation #Highfrequency SCHOOL #techniciansmakeithappen
0:39
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New demo to visualise microwaves using neon glow lamps as detectors #electromagneticspectrum #dischargelamps #energyconservation #Highfrequency SCHOOL #techniciansmakeithappen

Andres Tretiakov

12,879 次观看 • 2 年前

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