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1:02EN
Matthew Berman· 16 ene 2026A Speed-Reading Display That Shows One Word at a TimeMatthew Berman · Forward FutureA short visual demonstration presents words in rapid succession at increasing displayed speeds.
2:53EN
Jane Street· 1 jul 2025Jane Street Interns on Projects, Mentorship and LearningDylan · Jane StreetFormer interns and staff describe the learning, open-ended projects and relationships that shaped their internship experience.
2:50ENJane Street· 16 oct 2024Inside Jane Street’s 2024 Internship ProgramSanemi, Brian, Xavier, Abby, Marcus, In Young Cho · Jane StreetInterns and staff describe an 11-week program built around learning, collaboration and hands-on projects across several disciplines.
4:24ENJane Street· 10 may 2023Lars on Trading and Learning at Jane StreetLars · Jane StreetA London trader describes the mix of research, monitoring and coding, and what new hires learn on the job.
3:10ENJane Street· 11 ene 2023Sergei on Quantitative Research and Collaboration at Jane StreetSergei · Jane StreetA Jane Street researcher describes long-running quantitative projects, working with traders and developers, and the value of continued learning.
2:13ENJane Street· 8 nov 2022Interns Describe Jane Street's 2022 Internship ProgramElla, Sandor Lehoczky · Jane StreetParticipants reflect on learning, project ownership, colleagues, and discovering possible career paths during their internships.
10:32ENJane Street· 17 jul 2020Real Numbers: Expected Time Between Exams and a Half-Court Shot ChallengeSawyer · Jane StreetSawyer solves an exam-scheduling problem in several ways, then asks how many basketball attempts it takes to make one shot or two in a row.
6:16ENJane Street· 10 jul 2020Indicator Variables: Marching Bands and SnowboardsSawyer · Jane StreetSawyer uses linearity of expectation to count in-step rows, then poses a six-snowboard challenge.
9:40ENJane Street· 7 jul 2020Real Numbers: A Marching Band Challenge, Expected Damage, and Bayes’ RuleSawyer · Jane StreetSawyer introduces a marching-band expected-value puzzle and uses linearity and Bayesian updating to solve a monster-attack problem.
10:08ENJane Street· 3 jul 2020Expected Damage and a Golden-Ratio Window PuzzleSawyer · Jane StreetSawyer introduces expected value with an unknown video-game monster, then uses geometry to solve a painting-through-a-window problem.
7:55ENJane Street· 30 jun 2020The Art Thief’s Window and a Toy Boat’s Return JourneySawyer · Jane StreetSawyer poses a geometric window puzzle and solves the previous episode’s river-crossing problem in two ways.
5:39ENJane Street· 16 jun 2020A Snow Cone Geometry Puzzle and a Piggy Bank ProbabilitySawyer · Jane StreetSawyer poses a cone-design challenge and solves a conditional probability problem in two ways.
7:23ENJane Street· 9 jun 2020Bayes' Theorem and a Driver's Test Probability PuzzleSawyer · Jane StreetSawyer derives Bayes' theorem, poses a question about test-takers who studied, and solves an earlier card-game probability puzzle.
8:03ENJane Street· 6 jun 2020Real Numbers: A Taxi Challenge and Two Ways to Calculate a Sleep ProbabilitySawyer · Jane StreetSawyer poses a consecutive-taxi puzzle and solves a five-night dog-sitting problem with a probability table and a counting argument.
6:50ENJane Street· 6 jun 2020The Perils of Dogsitting: A Probability Warm-UpSawyer · Jane StreetSawyer introduces a five-night dogsitting puzzle and reviews independence, overlapping events and complements with coins and dice.