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Cool Science: Restore Silver with Electrochemistry

Cool Science: Restore Silver with Electrochemistry

Hello fellow Nerds. In this video we’ll be electrochemically restoring these tarnished silver bars. We’ll show you two ways of doing this. One using aluminum foil, the other using a battery. For the aluminum foil method, get a shallow tray… Continue Reading

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Restore Silver with Electrochemistry 2017

Restore Silver with Electrochemistry 2017

Greetings fellow nerds. In this video we’re going to restore tarnished silver using electrochemistry. First i need to issue a warning to any silver collectors, coin collectors or antiques dealers. Artificial chemical alteration of silver is very poorly received by… Continue Reading

100

Nitinol – Metallic Muscles with Shape Memory.

Nitinol – Metallic Muscles with Shape Memory.

hello everyone today I will tell you about one unusual object the paperclip this clip is made from a very unusual material nito nito is an alloy of nickel and titanium in proportions of 45 percent titanium and 55 percent… Continue Reading

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Mitch Anthamatten Explains a Shape-Memory Cycle Involving Strain Induced Crystallization

Mitch Anthamatten Explains a Shape-Memory Cycle Involving Strain Induced Crystallization

Hi. My name is Mitch Anthamatten and I’m with the Department of Chemical Engineering at the University of Rochester. I’m going tell you about a very interesting material that my research group has developed. Here is a sample of a… Continue Reading

100

Can You Erase Bad Memories?

Can You Erase Bad Memories?

Whether it’s from an awful breakup or a traumatic life event, some memories can haunt us for our entire lives. But, what if there was a way that you could completely forget these all together? Can science erase your bad… Continue Reading

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Platinum Recovery from Laboratory Chemical Waste (Pt 2)

Platinum Recovery from Laboratory Chemical Waste (Pt 2)

Warning: This video deals with corrosive and volatile acids. Toxic gases and toxic chemicals. Wear gloves when handling them and work outside or in a fume hood. Greetings fellow nerds. In a previous video we processed liters of laboratory chemical… Continue Reading

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Recover Copper from Ferric Chloride Etchant (Waste free method)

Recover Copper from Ferric Chloride Etchant (Waste free method)

WARNING: This experiment handles boiling hydrochloric acid and sulfuric acid as well as toxic quantities of ionic copper and iron. Gloves should be worn and the experiment should be performed outside or in a fume hood. Greetings fellow nerds. In… Continue Reading

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Metal Refining & Recovery, Episode19: Gold From Mercury

Metal Refining & Recovery,  Episode19: Gold From Mercury

Hi everyone, welcome back to Cody’s lab So this here’s my mercury distillation apparatus that I built in a previous video link in the description I just got through using this to distill several hundred pounds of mercury and it… Continue Reading