Search Results

Results for: 'MD and Gregory Holmes'

45:41

GRS001#29_Resistance and Rebellion

By: anbuchan

Lecture introducing part three of the course, "Resistance and Rebellion."

19:28

Pedagogical Sound Bite: The Power of Transparent Assignment Design

By: ctl

This workshop presents an overview of Transparency in Learning and Teaching in Higher Education (TILT), an award-winning, scholarly project focused on improving students' learning experiences.  Evidence from a national study shows that when facul...

45:12

HST67/ENVS167#3-4_Patterns of Change and Continuity

By: anbuchan

Lecture on endogenous and exogenous factors shaping patterns of rise and fall

36:47

Hand tools and carving

By: pdecause

Discussion of the use of vises and clamps and various hand tools and carving techniques.

0:48

Reverse Osmosis

By: uvmext

Some producers use membrane separation (called "reverse osmosis" or simply "RO" within the maple industry) in addition to evaporation with heat. In this process, sap is forced through membranes that have pores which are large enough for water to p...

1:35

Thrips

By: uvmext

Pear thrips is a species of insect that while native to Europe and Eurasia has been present in the United States for over 100 years. This insect is slender and brown as an adult and just over one mm long with delicately fringed wings. Thrips were ...

0:47

Vacuum

By: uvmext

Sap flows out of trees due to the difference in pressure between the inside and outside of the tree. In the 1950s, maple researchers and producers found that adding vacuum pumps to tubing systems could increase this pressure differential and there...

1:41

Bulk Syrup Sales

By: uvmext

According to the 2019 USDA NASS maple syrup report approximately 90% of Vermont's total annual maple syrup production (about 1.8 million gallons) was sold into the bulk market. The remainder of the crop was sold either to retail or wholesale custo...

1:37

Shade Tolerance 1

By: uvmext

All green plants, which includes trees, need sunlight to produce energy for survival. Some trees can satisfy their basic needs with less light than others. Sugar and red maples are two examples of such trees. They are both considered shade-toleran...