Best Substrate Podcasts (2025)

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Episode 13: Moon PV may rely on regolith for substrate 4:54

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13d ago4:54

4:54

To enable future lunar settlements, researchers are pursuing ways to construct needed devices on the moon to save the expense of shipping them from Earth. In this podcast episode, MRS Bulletin’s Laura Leay interviews Felix Lang from the University of Potsdam, Germany about his group’s development of perovskite solar cells that utilize the moon’s re…

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Episode 14: Mechanical metamaterials reprogrammable via magnetic interactions 4:16

4d ago4:16

4:16

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Daniel Garcia-Gonzalez from Universidad Carlos III de Madrid in Spain about his research group’s reprogrammable metamaterial. The researchers use a soft polymer, mixed with magnetic particles. By rotating the orientation of the magnets, they tune the softness or compressibility of the m…

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Episode 149: Lighting Cannabis Right: 2025 Science & Strategy with MIGRO 1:48:05

6d ago1:48:05

1:48:05

This week on the Cannabis Cultivation and Science Podcast, we're diving deep into lighting and photobiology with Shane Torpey, founder of MIGRO. With a background in engineering and construction, Shane turned his passion for growing into a global grow lighting company known for trusted reviews and educational content. We break down what’s working—a…

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[AUDIO only] Office Hours LIVE Ep. 140: Genetics, R&D, and Scaling Cookies with Jonah Carrington 1:05:19

11d ago1:05:19

1:05:19

In episode 140, hosts Cian Sullivan and Jason Van Leuven, Director of Applied Technology at AROYA, are joined by special guest Jonah Carrington, Director of Genetics and R&D for Cookies Humboldt and One Log. Jonah takes us behind the scenes at one of the most diverse and innovative operations in the country, sharing the journey from humble beginnin…

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Dialing In the Root Zone: Real-Time Irrigation Strategy with the GroSens Suite | Ep 23 46:56

12d ago46:56

46:56

Send us a text In Episode 23 of the GroShow Podcast, host Riley Jones is joined by Kaz Makarewicz (Product Owner, e-Gro) and Chad Rigby (Crop Specialist) to explore how growers are using Grodan’s all-in-one root zone monitoring system — the GroSens Suite — to improve irrigation strategy and crop steering. From setting up sensors and configuring roo…

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[AUDIO only] Office Hours LIVE Ep 139: Mastering Late Flower EC and Irrigation 56:53

17d ago56:53

56:53

Welcome back, Gromies, to another episode of AROYA Office Hours LIVE! In episode 139, your host Cian is joined by Jason Van Leuven, Director of Applied Technology, and special guest Liam Spencer, an AROYA sales rep with deep roots in commercial cultivation and horticulture. This week, we're switching things up by diving headfirst into burning quest…

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Award-Winning Flower at Scale: East Coast Genetics & Precision Growing with Happy Valley | Ep 22 1:05:25

24d ago1:05:25

1:05:25

Send us a text In Episode 22 of the GroShow Podcast, host Riley Jones heads to the East Coast to sit down with Zach Wise and Tim Larson from Happy Valley — a vertically integrated cannabis company in Massachusetts known for precision, consistency, and award-winning flower. Together, they explore how Happy Valley built a high-performance cultivation…

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Episode 11: Synthetic hydrogel combines stiffness and self-healing properties 4:55

28d ago4:55

4:55

In this podcast episode, MRS Bulletin’s Laura Leay interviews Hang Zhang from Aalto University in Finland about his group’s creation of a composite material that is both stiff and self-healing. The composite involves a hydrogel where the long polymer chains are confined between nanosheets of synthetic hectorite. This material mimics skin that is bo…

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Episode 12: Lightweight shape memory alloy retains superelasticity at 4 K 4:04

28d ago4:04

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In this podcast episode, MRS Bulletin’s Sophia Chen interviews Sheng Xu from Tohoku University, Japan about his lightweight shape memory alloy that retains superelasticity at temperatures as cold as 4 K and as hot as 400°C. This range is about 5 times wider than commercial shape memory alloys. Shape memory alloys are needed for extreme environments…

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[AUDIO only] Office Hours LIVE Ep 138: Inside Certified Cultivators: Family Roots, Teamwork 1:02:20

1M ago1:02:20

1:02:20

In this episode, host Cian is joined by Director of Applied Technology Jason Van Leuven for a look into the world of cultivation, featuring special guests Tyler Snell and Adam Redding from Certified Cultivators in Ohio. Certified Cultivators stands out as a third-generation family business that impressively transformed an auto parts facility into a…

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From Racks to Roots: Vertical Facility Design, Irrigation & Substrate Synergy with PIPP Horticulture | Ep 21 1:03:30

2M ago1:03:30

1:03:30

Send us a text In Episode 21 of the GroShow Podcast, host Riley Jones is joined by Grodan Crop Specialist Jon Jirikovec and Anders Peterson and Michael Williamson from PIPP Horticulture for part two of a special mini-series with the Cultivation Elevated podcast. If you caught part one on Cultivation Elevated, you’ll recognize today’s guests — and t…

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Episode 10: Relaxor ferroelectric thin film characterized at the nanoscale 6:39

2M ago6:39

6:39

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Lane Martin from Rice University about characterization of relaxor ferroelectrics, materials with noteworthy energy-conversion properties used in sensors and actuators. Martin’s research team investigated the material’s behavior at the nanoscale. The researchers found that the specific …

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[AUDIO only] Office Hours LIVE Ep 137: From Brewery Talks to Retrofits: Sacramento’s Powrhouse 56:32

2M ago56:32

56:32

In episode 137, we bring you something truly special as we kick off "Powr Talk," a new reality mini-series where real commercial cultivators make data-driven, in-the-moment decisions—no scripts, no sets, just the authentic, behind-the-scenes life inside a working grow. This week, hosts Cian and Jason are joined by Kevin Crouch and Sergio Picazo fro…

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Episode 148: 15,000 Clones a Year — Cannabis Propagation with Connor Ockfen 49:10

2M ago49:10

49:10

📝 Episode Highlights: Connor’s journey from greenhouse grower to propagation leader Scaling propagation: key infrastructure and protocols Hormonal treatments and substrate selection for optimal rooting Managing cultivar libraries and mother plant health IPM and environmental control strategies tailored for veg Writing and refining SOPs for complian…

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Episode 9: Stacking materials induces ferroelectricity into wurtzites 5:41

2M ago5:41

5:41

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Beth Dickey from Carnegie Mellon University about her new approach to inducing ferroelectricity into a material. Dickey’s research group worked with a class of materials known as wurtzites. The researchers specifically studied aluminum nitride and zinc oxide, which are not ferroelectric…

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Episode 8: Two-beam interferometry experiment characterizes lightsail propulsion 5:20

2M ago5:20

5:20

In this podcast episode, MRS Bulletin’s Laura Leay interviews Harry Atwater from the California Institute of Technology about his study on lightsail propulsion in order to understand how the device can be developed to do fly-by space travel riding a beam of laser light. Atwater’s research group made a square prototype device where the researchers i…

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[AUDIO only] Office Hours LIVE Ep 136: Designing Future-Proof Facilities, Climate, Airflow, and Data Tips 59:05

2M ago59:05

59:05

In this week’s episode, host Cian and resident expert Jason are joined by Anders Peterson, Director of Horticulture at PIPP Horticulture. If you’ve ever marveled at wall-to-wall multi-tier canopies in a grow room, chances are PIPP had a hand in it—and Anders has been at the center of that evolution. Anders kicks things off by sharing his journey, f…

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Episode 7: Nanotomography enables insight into the microstructure of a material 4:52

2M ago4:52

4:52

In this podcast episode, MRS Bulletin’s Laura Leay interviews Ashwin Shahani and Alan Taub from the University of Michigan about their group’s simulations and experimental work detailing the formation mechanisms, morphologies, and microstructures of an in situ Al/TiC metal matrix nanocomposites processed via salt flux reaction. Using these insights…

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Episode 147: The Chemistry of Survival: Plant Stress Responses with Dr. Michael Gutensohn 1:22:45

3M ago1:22:45

1:22:45

In this episode of the Cannabis Cultivation and Science Podcast, we’re joined by Dr. Michael Gutensohn, an expert in plant physiology and secondary metabolism, to explore the intricate relationship between environmental stress and the production of secondary metabolites in cannabis. We discuss how various abiotic stressors—such as light intensity, …

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Episode 146: Logan Labs, Soil Testing, & Nitrogen Management with Bryant Mason 1:33:57

3M ago1:33:57

1:33:57

Welcome to the Cannabis Cultivation and Science podcast, I'm your host Tad Hussey of KIS Organics. This is the podcast where we discuss the cutting edge of growing from a science based perspective and draw on top experts from around the industry to share their wisdom and knowledge. My guest this week is Bryant Mason. I’ve had Bryant on the podcast …

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The Foundation of a Healthy Crop: Getting Substrate Saturation and Rooting-In Right with Jon Jirikovec | Ep 20 54:54

3M ago54:54

54:54

Send us a text In Episode 20 of the GroShow Podcast, host Riley Jones welcomes Grodan Crop Specialist Jon Jirikovec for a deep dive into one of the most important (and often underestimated) parts of a successful grow: initial substrate saturation and rooting strategy. From troubleshooting dry-back issues to dialing in daily irrigations, Jon shares …

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Episode 145: Practical Greenhouse Management Advice with Jared Ferguson 51:04

4M ago51:04

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Before starting the podcast, I wanted to share about an exciting new conference that we are hosting in conjunction with Collective Elevation in Bozeman, Montana. I’ve been talking to Suzanne Wainwright Evans about hosting a conference for years, and Adam at Collective graciously offered to open up his doors and let us host it on his property. The e…

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Episode 6: Nanocube self-assembly pathways uncovered 4:23

4M ago4:23

4:23

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Xingchen Ye of Indiana University about his research group’s studies on the fundamental behavior of colloidal materials. Colloidal materials consist of liquids with nanoparticles suspended in them. Ye’s team is interested in how a colloidal material’s properties change as the team spati…

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Episode 5: Triboelectric nanogenerator powered by wind-driven leaf motion 5:59

4M ago5:59

5:59

In this podcast episode, MRS Bulletin’s Laura Leay interviews Fabian Meder from the Italian Institute of Technology in Genova and the Sant’Anna School of Advanced Studies in Piza, Italy about his research group’s device that makes use of wind-driven plant leaf motion to generate electricity which can power a chemical delivery system. Their triboele…

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[AUDIO only] Office Hours LIVE Ep 135: Troubleshooting Irrigation and Substrate Issues 57:40

4M ago57:40

57:40

Welcome to Episode 135 of Office Hours LIVE, where cultivation knowledge meets practical application! Today, we're exploring the critical relationship between environment and irrigation for superior plant development. Host Cian is joined by cultivation experts Jason and Seth, ready to tackle your most challenging questions in real time. On today's …

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[AUDIO only] Office Hours LIVE Ep 134: Integrated HVAC Systems with Willy Stober 1:03:57

4M ago1:03:57

1:03:57

This episode explores the science and engineering behind optimal climate control for indoor plant cultivation. We're joined by special guest Willy Stober from Stober Engineering, alongside our expert hosts Cian, Jason, and Seth. Willy shares exclusive insights from his groundbreaking PG&E-funded research study examining energy consumption patterns …

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Episode 4: Researchers pinpoint AI/ML training set to achieve accurate predictions 4:00

4M ago4:00

4:00

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Bowen Deng, a graduate student in Gerbrand Ceder’s group at the University of California, Berkeley, about their work on increasing the accuracy of artificial intelligence/machine learning materials prediction models. The use of computer simulations to predict the interaction between ato…

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Optimizing Cannabis Cultivation: Pheno-Hunting, Irrigation & Lighting with Plant Nerd | Ep 19 56:45

4M ago56:45

56:45

Send us a text In episode 19 of the GroShow Podcast, host Riley Jones sits down with Jared Toogood of Plant Nerd to break down the techniques helping growers fine-tune their operations. From advanced lighting strategies to precision irrigation and pheno-hunting for elite genetics, this episode is packed with actionable insights. Jared shares how re…

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[AUDIO only] Office Hours LIVE Ep 133: Navigating Irrigation and Dryback Challenges 57:25

5M ago57:25

57:25

In this episode, our resident experts, Cian and Jason, explore common cultivation challenges, offering insights and strategies to enhance your grow operations. From debating vegging in place versus dedicated veg rooms to exploring solutions for persistent pest issues like thrips, they cover a wide range of topics crucial for cultivators. They also …

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Episode 144: Pest Management Tips and Tricks with Saul Alba 1:11:20

5M ago1:11:20

1:11:20

Saul began his agriculture work in vineyard and winery operations on the Central California coast. After deciding to focus his career on crop protection he moved north where he managed IPM programs at Monterey Mushroom Company and Jacobs Farm/Del Cabo. This work led to a position as IPM Manager at Harborside Farms where he directed their bio-intens…

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[AUDIO only] Office Hours LIVE Ep 132: Adapting Cultivation Practices for Market Success 1:01:52

5M ago1:01:52

1:01:52

Welcome to another episode of Office Hours LIVE, where we explore the intricate world of commercial horticulture. In today's episode, host Cian and expert Seth Baumgartner navigate the complexities of substrate EC, irrigation strategies, and the optimization of growing conditions under various lighting environments. The duo discusses the importance…

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[AUDIO only] Office Hours LIVE Ep 131: Cultivation Tips: Improving Yield 1:00:55

5M ago1:00:55

1:00:55

Welcome to another episode of Office Hours LIVE, AROYA's podcast dedicated to exploring the intricate world of cultivation. In episode 131, join our host Cian, alongside cultivation experts Jason and Seth, as they dive into the complexities of environmental conditions and their impact on plant growth. From the effects of substrate EC levels and CO2…

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Episode 3: Surface defects control bulk properties of lead halide perovskites 3:58

5M ago3:58

3:58

In this podcast episode, MRS Bulletin’s Laura Leay interviews David Cahen from the Weizmann Institute of Science, Israel, about the impact surface defects have on bulk properties, specifically in the case of lead halide perovskites. In a perspective he co-authored, Cahen connected numerous experimental data from other researchers that exposed this …

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[AUDIO only] Office Hours LIVE Ep 130: The Debate Settled: Understanding EC Levels and Plant Health 58:57

5M ago58:57

58:57

Welcome to another episode of Office Hours LIVE. This is episode 130. Join our resident experts Seth and Jason as they unravel the complexities of managing light and nutrient dynamics to optimize plant growth. This week, we're tackling a question from our audience: Does higher PPFD and DLI require higher EC, and how should you adjust your nutrient …

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Episode 143: Trends in Environmental Controls with Dr. Greenhouse 1:16:13

5M ago1:16:13

1:16:13

Dr. Nadia Sabeh is the President and Founder of Dr. Greenhouse, Inc., an agricultural and mechanical engineering firm that specializes in the design of HVAC systems for indoor plant environments. Dr. Sabeh has her PhD in Agricultural Engineering from the University of Arizona’s Controlled Environment Agriculture Center (CEAC) and is a licensed Mech…

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Episode 2: Compression activates optical tuning in smart window 4:47

5M ago4:47

4:47

In this podcast episode, MRS Bulletin’s Sophia Chen interviews Gwangmin Bae of Korea University about his work with colleagues on the design of a new smart window system that utilizes compression. Like other smart windows, this window makes use of pores within the material to adjust its transparency. However, instead of using a stretchy material th…

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[AUDIO only] Office Hours LIVE Ep 128: Moms, Airflow, and Irrigation Tips 1:01:15

5M ago1:01:15

1:01:15

Hello and welcome back to another episode of AROYA Office Hours LIVE Episode 128, your go-to source for cultivation education! I'm your host, Kaisha, and we are thrilled to reach episode 128. Today, we have an engaging discussion lined up with experts Jason, Seth, and special guest Cian. This episode is packed with valuable insights directly from o…

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From Challenges to Champions: Blue Goose Flower’s Journey to Success | Ep 18 55:04

6M ago55:04

55:04

Send us a text Chris Carlino and Scott Judd from Blue Goose Flower share how they’ve perfected indoor cannabis cultivation in a competitive market on this episode of the Grodan GroShow Podcast. Based in Sacramento, California, Blue Goose Flower has overcome challenges to achieve success by transitioning to Grodan stone wool, leveraging the GroSen S…

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Episode 142: Isopods, Pyrethrins, REIs, and More with Suzanne Wainwright Evans Pt. 2 43:55

6M ago43:55

43:55

My guest this week is my good friend, Suzanne Wainwright-Evans also known by many as The Bug Lady. She is an Ornamental Entomologist specializing in integrated pest management. Suzanne has been involved in the Green Industry for more than 25 years with a primary focus on biological control and using pesticides properly. She is a graduate of the Uni…

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[AUDIO only] Office Hours LIVE Ep 127: Tips on CO2, Light, and VPD for Peak Plant Performance 1:04:52

6M ago1:04:52

1:04:52

In today's session, we answer pressing questions from our dedicated community. Our experts, Jason and Cian, alongside our ever-engaging host, Kaisha, tackle a variety of topics—from managing PH runoff and exploring the best irrigation strategies to understanding the complexities of canopy uniformity and the science behind optimal VPD levels. We kic…

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Live Mushroom Growing and Demonstration Session 54:14

6M ago54:14

54:14

In this episode, Oliver takes listeners on a journey through the process of injecting grow bags with mushroom spores. From discussing the importance of maintaining a sterile environment to showcasing different injection techniques, the episode provides valuable insights into the intricate yet rewarding world of mushroom cultivation. Whether injecti…