Wrapping Boxes
Wrapping Boxes - Related Videos
09:16
An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap
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Cited by 20 •
2014
The cold pressor test is a classic stress induction task used in a wide range of research examining the relationship between stress and cognition, emotion, and behavior. In this article, a practical and versatile alternative to the traditional cold pressor test is presented: the cold pressor arm wrap.
06:45
In Vivo Wide-Field and Two-Photon Calcium Imaging from a Mouse Using a Large Cranial Window
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Cited by 9 •
2022
The present protocol describes making a large (6 x 3 mm2) cranial window using food wrap, transparent silicone, and cover glass. This cranial window allows in vivo wide-field and two-photon calcium imaging experiments in the same mouse.
07:54
Design, Fabrication, and Administration of the Hand Active Sensation Test (HASTe)
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Cited by 1 •
2015
The Hand Active Sensation Test (HASTe) is a valid and reliable measure of haptic performance, which has been used successfully to identify impaired haptic touch in individuals with stroke. The purpose of this paper is to describe the design, fabrication and administration of the HASTe.
16:05
Large-Scale Screens of Metagenomic Libraries
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Cited by 9 •
2007
Metagenomic libraries archive large fragments of contiguous genomic sequences from microorganisms without requiring prior cultivation. Generating a ...
03:59
UV-Vis Spectroscopy of Dyes - Instructor Prep
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2020
Source: Lara Al Hariri at the University of Massachusetts Amherst, MA, USA Preparation of Dye SolutionsExpand Here, we show the laboratory preparation for 10 students working in pairs, with some excess. Please adjust quantities as needed. First, put on a lab coat, safety glasses, and nitrile gloves. Some solutions use hexane or dimethylformamide, so prepare those solutions in a fume hood. Prepare a 1 mM stock solution of fluorescein in water. Measure 0.0166 g of fluorescein...
FAQs
Calculate the area of each pair of equal faces: top and bottom use length times width, the front and back use length times height, and the two sides use width times height. Adding these six areas gives the box’s basic surface area. This value provides a starting point before extra material is included for seams, overlaps, or flaps.
A net represents the box’s faces unfolded into one connected, flat arrangement. It shows which edges meet after folding and helps reveal whether a single sheet can cover the entire prism. By examining the net, a planner can position faces, seams, and flaps deliberately, making the required dimensions easier to measure and reducing accidental gaps or excessive overlap.
The six-face surface area does not account for the extra paper needed to join or secure the covering. Overlaps extend beyond selected edges, seams require joining margins, and flaps provide material that folds over open sections. These additions increase the total sheet dimensions, so a practical estimate must combine calculated face areas with allowances rather than use surface area alone.
Measure the box’s length, width, and height using consistent units. Then identify which faces will connect in the net and decide where overlaps, seams, or flaps will occur. Calculate the areas of the six faces, add the planned allowances, and compare the resulting layout with the available sheet. This workflow links measurement, geometry, and a physical packaging constraint.
For boxes with different dimensions, compare both their calculated surface areas and the additional material required by their layouts. A design with a smaller surface area may still need a less efficient net or larger joining allowances. Evaluating the complete sheet requirement supports decisions about paper use, waste reduction, and whether a redesigned rectangular prism offers a practical advantage.
The activity connects two-dimensional and three-dimensional reasoning. Surface area describes the amount covering the outside, perimeter helps relate edge lengths to layout dimensions, and a net translates a solid into a plane figure. Working through these relationships develops spatial visualization and shows how mathematical models can guide manufacturing choices and everyday decisions about packaging materials.