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RT @jose_salcedo: A memory trip: When I was 18, a second year undergraduate student at U.Porto, I decided to build a laser. The University discarded the idea and I set up a home laboratory. 3 years later the laser worked, I published a paper and received US Fellowships to study at Stanford Univ.

🐦🔗: https://nitter.eu/NunoMeloCDS/status/1576616880726425600