EPISODE · Dec 22, 2025 · 40 MIN
How to Learn New Languages as an Adult – Luca Lampariello
from Information Theory · host The Information Theory Podcast
Luca Lampariello grew up monolingual in Rome. At 10, his teacher told him he simply wasn't cut out for language learning. Today, he speaks 15 languages – 10 of them fluently – and runs one of the largest polyglot YouTube channels in the world.In this conversation, we cover: why he was bad at Italian before he was good at anything else, the role his 90-year-old grandmother played in shaping his curiosity, how watching American movies transformed his English in months, what he thinks about the "critical period" hypothesis, his 70/20/10 rule for language acquisition, and why he believes the biggest barrier to accent mastery is psychological, not biological.0:46 Luca's Monolingual Childhood and Grandmother's Influence2:43 "I Was Actually Pretty Poor at My Native Language"5:52 "I Wanted to Be Like an American" – How Luca Learned English11:55 Can Anyone Learn a Foreign Language to Fluency?16:35 A Concrete Learning Plan: The American in Italy20:16 The 70/20/10 Rule for Input, Output, and Grammar21:41 The Critical Period Hypothesis – Can Adults Sound Like Natives?25:36 Why Some Immigrants Never Lose Their Accent29:51 Luca's Journey Through German, Spanish, Dutch, and Russian34:42 "Japanese Rejected Me – But I'm Going Back With a Vengeance"37:32 What Are The Most Beautiful Languages? Greek, German, Russian
What this episode covers
Luca Lampariello grew up monolingual in Rome. At 10, his teacher told him he simply wasn't cut out for language learning. Today, he speaks 15 languages – 10 of them fluently – and runs one of the largest polyglot YouTube channels in the world.In this conversation, we cover: why he was bad at Italian before he was good at anything else, the role his 90-year-old grandmother played in shaping his curiosity, how watching American movies transformed his English in months, what he thinks about the "critical period" hypothesis, his 70/20/10 rule for language acquisition, and why he believes the biggest barrier to accent mastery is psychological, not biological.0:46 Luca's Monolingual Childhood and Grandmother's Influence2:43 "I Was Actually Pretty Poor at My Native Language"5:52 "I Wanted to Be Like an American" – How Luca Learned English11:55 Can Anyone Learn a Foreign Language to Fluency?16:35 A Concrete Learning Plan: The American in Italy20:16 The 70/20/10 Rule for Input, Output, and Grammar21:41 The Critical Period Hypothesis – Can Adults Sound Like Natives?25:36 Why Some Immigrants Never Lose Their Accent29:51 Luca's Journey Through German, Spanish, Dutch, and Russian34:42 "Japanese Rejected Me – But I'm Going Back With a Vengeance"37:32 What Are The Most Beautiful Languages? Greek, German, Russian
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How to Learn New Languages as an Adult – Luca Lampariello
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