Spectra Group will demonstrate its SlingShot communication system at the US Army Expeditionary Warrior Experiments (AEWE) 2019 in Fort Benning, Georgia, the company announced on 17 January. SlingShot ...
Balloons filled with hydrogen and containing metal salts are ignited. When the balloon explodes, the characteristically colored flame for that metal is seen. This is best performed outside or in a ...
A set of five gas discharge tubes are arranged such that when they are touched with a Tesla coil, their characteristically colored emission spectra are seen. The Tesla coil can burn your skin on ...
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