Time is intangible but stubbornly persistent. We move forward, inevitably and relentlessly. We can’t grab a moment in time. We can’t point to it once it’s gone. Is time real or an illusion? Will we ever defy the arrow of time, stop its flow or go backwards? Astrophysicist and writer Janna Levin invites Physicist/Philosopher David Albert in conversation with science writer James Gleick to consider the possibilities from Time Travel to Time’s Arrow.

Scientific Controversies<br />
No. 2: Time’s Arrow

<p>Time is intangible but stubbornly persistent. We move forward, inevitably and relentlessly. We can’t grab a moment in time. We can’t point to it once it’s gone. Is time real or an illusion? Will we ever defy the arrow of time, stop its flow or go backwards? Astrophysicist and writer Janna Levin invites Physicist/Philosopher David Albert in conversation with science writer James Gleick to consider the possibilities from Time Travel to Time’s Arrow.</p>


No. 2<br />
Time's Arrow

<div>Are there Many Worlds? Does Time Exist? Are We Alone?  Hosted by Director of Sciences <a href="http://jannalevin.com/">Janna Levin</a>, the Scientific Controversies series  brings creative minds together to celebrate the passionate spirit of scientific curiosity.  Previous guests include Nobel Laureate Frank Wilczek, geneticist George Church, and neuroscientist Christof Koch with subjects ranging from artificial intelligence and string theory, to dark matter, consciousness, and other unsolved scientific quandaries.</div>