| | Homemade Copper Oxide Thermoelectric Generator Can Light an LED (2011) (sparkbangbuzz.com) |
| 3 points by teuobk on Feb 5, 2025 | past |
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| | Borax or Baking Soda Rectifier and the glow (2003) (sparkbangbuzz.com) |
| 70 points by _spduchamp on Dec 11, 2024 | past | 15 comments |
|
| | Evaporograph and Infra Red Images (sparkbangbuzz.com) |
| 31 points by joebig on Dec 8, 2024 | past |
|
| | Borax or Baking Soda Rectifier and the glow (2003) (sparkbangbuzz.com) |
| 2 points by _spduchamp on March 30, 2022 | past |
|
| | Flame Triode with Gain (sparkbangbuzz.com) |
| 2 points by marcodiego on Dec 23, 2021 | past |
|
| | Simple Homemade TEA Laser (2007) (sparkbangbuzz.com) |
| 76 points by hamilyon2 on May 6, 2020 | past | 35 comments |
|
| | Homemade Memristor (2011) (sparkbangbuzz.com) |
| 152 points by ksrm on July 8, 2015 | past | 23 comments |
|
| | Homemade Cathode Ray Tubes. (sparkbangbuzz.com) |
| 5 points by dfox on March 17, 2009 | past |
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