2017年3月18日 星期六

Adventures of an asteroid hunter

TED
This week on TED.com
March 18, 2017

Carrie Nugent: Adventures of an asteroid hunter

06:06 minutes · Filmed Feb 2016 · Posted Mar 2017 · TED2016

Carrie Nugent is an asteroid hunter -- part of a group of scientists working to discover and catalog our oldest and most numerous cosmic neighbors. Why keep an eye out for asteroids? In this short, fact-filled talk, Nugent explains how their awesome impacts have shaped our planet, and how finding them at the right time could mean nothing less than saving life on Earth.

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10 TED Talks • Total run time 2:08:17

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How much brain power do we spend learning how to spell, memorizing rules that are filled with endless exceptions? Language evolves over time, and with it the way we spell. Literary scholar Karina Galperin suggests that it may be time for an update in the way we think about and record our languages. (In Spanish with English subtitles.) Watch »

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Quote of the Week

We’re short on wisdom; we’re high on technology. Where’s it going to lead? "

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Nature vs. humans

new ted book: Asteroid hunters

Carrie Nugent is obsessed with hunting the asteroids in our cosmic neighborhood. Why? For the first time, we could have the knowledge to prevent a natural disaster epic in scale: an asteroid hitting the Earth. Get the book »

 

 

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