| LC oscillator | 0 | 1970-01-01 | 1970-01-01 |
| Chinese book | 0 | 1970-01-01 | 1970-01-01 |
| Boston Marathon bombing | 0 | 1970-01-01 | 1970-01-01 |
| Competition law | 0 | 1970-01-01 | 1970-01-01 |
| Compiled programming language | 0 | 1970-01-01 | 1970-01-01 |
| Four Beauties | 0 | 1970-01-01 | 1970-01-01 |
| Synchronous dynamic random-access memory | 0 | 1970-01-01 | 1970-01-01 |
| Real line | 0 | 1970-01-01 | 1970-01-01 |
| Symplectic matrix | 0 | 1970-01-01 | 1970-01-01 |
| Performing arts | 0 | 1970-01-01 | 1970-01-01 |
| Extreme ultraviolet lithography | 0 | 1970-01-01 | 1970-01-01 |
| Streptomycin | 0 | 1970-01-01 | 1970-01-01 |
| Website | 0 | 1970-01-01 | 1970-01-01 |
| Electronic design automation phase | 0 | 1970-01-01 | 1970-01-01 |
| Hadean | 0 | 1970-01-01 | 1970-01-01 |
| Open-source intelligence | 0 | 1970-01-01 | 1970-01-01 |
| Propagator | 0 | 1970-01-01 | 1970-01-01 |
| CP Violation | 0 | 1970-01-01 | 1970-01-01 |
| Gross hydrogen emission spectrum | 0 | 1970-01-01 | 1970-01-01 |
| Typography | 0 | 1970-01-01 | 1970-01-01 |