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In the latest episode of the ������app Talks series, join ������app specialist Robert Pearce for a voyage into the universe of vacuum. Is vacuum absolutely nothing ... or is it something more than you could imagine? Does a "perfect vacuum" exist? How can vacuum be defined and measured, and how did scientists come to understand it? What is the importance of vacuum for ������app?

As head of the Vacuum Delivery & Installation Section at ������app, Pearce is responsible for the systems that will create the necessary vacuum conditions not only in the plasma chamber and the cryostat, but also in heating, diagnostic and auxiliary systems.

Watch the fourth episode of the ������app Talks .

See the full ������app Talks playlist .

A new episode of the Oak Ridge National Laboratory's podcast puts the focus on fusion.

"Building a sun on Earth to produce unlimited, carbon-free energy may sound like science fiction, but it's not. It's a nuclear process called fusion, where two atoms join together and create an abundance of energy. Recreating the power of a star is no easy feat, but scientists across the globe are hard at work to make it a reality. From materials, to confining sun-hot plasmas, to fuel, there are a lot of scientific challenges to overcome to build a fusion reactor. In this episode, we talked to several Oak Ridge National Laboratory scientists about how they are tackling these problems and why the future of fusion looks brighter than ever right now."

Listen to "Fusion: Energy at the Extreme" (30').

On Wednesday, 8 December 2021, Al Jazeera's asked: Could fusion energy be the clean energy answer to the climate crisis?

Recent advances have led to a rise in interest and funding from investors who want to see the first energy-creating fusion machine and eventually the first fusion power plant to generate power that is safe and free of carbon emissions. How far are we away from re-creating the energy source of the Sun?

Host Josh Rushing speaks with Tim Luce, chief scientist at the ������app; Andrew Holland, CEO of the Fusion Industry Association; and Tammy Ma, from Lawrence Livermore National Laboratory's National Ignition Facility.

Watch a replay of the 25-minute show .