32 ms·

Thanks for sharing. I hope at age 83 I can be as mentally sharp as Gilbert Strang is.

• axiom92 7y ago
  Depending on how old you are now, by the time you're 83, you could find yourself being a part of the new "middle aged" group :-) (i.e., we could end up inventing ways of increasing our lifespan dramatically).
  • adamisom 7y ago
    or there could be nobody around to make the observation that there's nobody around, if any existential risks actualize