The Making Of Surface 2
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Even a closed surface such as a cylinder is like a rectangular piece of paper that has been rolled up so two opposite edges are touching. The place where the edges come together is called the seam. If a surface does not have a rectangular shape, either it has been trimmed or the control points on the edges have been moved.
The more interesting part of Monday's Surface launch, in my view, will be the new Surface peripherals. In spite of Microsoft's claims last year that the company had no intentions of making a Surface Pro docking station, they built one. The new Surface docking station is expected to work with Surface Pro and Surface Pro 2 models only. It is expected to include one USB 3 and three USB 2 ports, according to leaks.
surf(X,Y,Z) creates a three-dimensional surface plot, which is a three-dimensional surface that has solid edge colors and solid face colors. The function plots the values in matrix Z as heights above a grid in the x-y plane defined by X and Y. The color of the surface varies according to the heights specified by Z.
To use colormap colors, specify C as a matrix. For each grid point on the surface, C indicates a color in the colormap. The CDataMapping property of the surface object controls how the values in C correspond to colors in the colormap.
However, I'll admit that I didn't find myself using this functionality very often. I've used it sometimes to send a message in Slack while looking up an email I needed to reference, or to find a login code sent to my email while signing into an app. Launching my calendar on one screen and WhatsApp on the other to check my schedule while making plans with friends was also useful. You can also choose to pin two apps together to launch them with a single tap.
The other way you can put these two screens to work is by using a single app across both displays. The catch is that apps must be optimized to actually function across two screens. It's an interesting concept that I hope catches on more broadly. Rather than just making apps larger, Surface Duo-optimized apps separate certain features between the two displays. When it works, it feels like you're using the app in an entirely new way.
Introduced a little over two years ago, Microsoft's Surface Book was the hybrid laptop that I had long hoped the company would build. Like the Surface Pro, it worked as a true standalone tablet, but it had the all-important stiff hinge, making it suitable for use on your lap in a way that the Surface Pro's kickstand and Type Covers never really supported.
As such, the core laptop experience is nailed by the Surface Book 2. The fancy hinge does somewhat limit how far the screen can be tilted back; even regular, non-360-degree hinges usually offer a bit more freedom in the screen angle than the Surface Book 2. From my (more extensive) usage of the first-generation system, this is occasionally an annoyance, particularly when trying to show other people things on my screen, but it's not something I run into daily. But overall, you can use the Surface Book 2 as if it were just a regular touchscreen laptop without ever having to think about the detachable screen. That's a good thing; the detachable screen isn't making the Surface Book 2 any less of a laptop.
The addition of Thunderbolt 4 (two ports, right side), Surface Slim Pen 2 with storage, and a larger display thanks to the thinner bezels are the most notable changes. But as you can see above, Microsoft redid nearly everything on Surface Pro 8 from the ground up compared to Surface Pro 7 and Surface Pro 7+, making it feel like an entirely new device.
Also new is the 120Hz screen refresh. By default, Surface Pro 8 is set for 60Hz, but users can go into Settings > Display > Advanced Display > Choose a refresh rate and set it to 120Hz (at the detriment of slightly worse battery life). Animations and video are smoother, making Windows 11 feel zippier.
I am pleased to report that Microsoft does now let users disable Intel's "adaptive contrast," long a bugaboo of Surface fans. Adaptive contrast dims blacks and reduces contrast to decrease power consumption, making it a valuable feature for the battery conscious. However, the experience can create jarring shifts in brightness when jumping between a primarily white web page and something predominantly black.
My only protest with the Surface Pro 8 display is an old one: It's too glossy because of no anti-reflective (AR) layer. HP, Dell, Lenovo, and especially Apple use AR in their pen-enabled products like the iPad Pro. AR keeps contrast and color accuracy while making the device more comfortable under bright lights or outdoors. It's a frankly baffling oversight, and Microsoft has been unable to provide me with a justifiable answer for its absence.
I have Surface book 3 and would never recommend anyone to purchase one if you are doing audio productions of any sort. It does not work at all with external audio interfaces . I have tested two different interfaces and the experience with both devices are horrible. Looking to switch away from surface book and never come back.
The principal mode by which people are infected with SARS-CoV-2 (the virus that causes COVID-19) is through exposure to respiratory droplets carrying infectious virus. It is possible for people to be infected through contact with contaminated surfaces or objects (fomites), but the risk is generally considered to be low.
Because of the many factors affecting the efficiency of environmental transmission, the relative risk of fomite transmission of SARS-CoV-2 is considered low compared with direct contact, droplet transmission, or airborne transmission 1, 2. However, it is not clear what proportion of SARS-CoV-2 infections are acquired through surface transmission. There have been few reports of COVID-19 cases potentially attributed to fomite transmission 1, 2. Infections can often be attributed to multiple transmission pathways. Fomite transmission is difficult to prove definitively, in part because respiratory transmission from asymptomatic people cannot be ruled out 3, 4, 5. Case reports indicate that SARS-CoV-2 is transmitted between people by touching surfaces an ill person has recently coughed or sneezed on, and then directly touching the mouth, nose, or eyes 3, 4, 5. Hand hygiene is a barrier to fomite transmission and has been associated with lower risk of infection 6.
Quantitative microbial risk assessment (QMRA) studies have been conducted to understand and characterize the relative risk of SARS-CoV-2 fomite transmission and evaluate the need for and effectiveness of prevention measures to reduce risk. Findings of these studies suggest that the risk of SARS-CoV-2 infection via the fomite transmission route is low, and generally less than 1 in 10,000, which means that each contact with a contaminated surface has less than a 1 in 10,000 chance of causing an infection 7, 8, 9. Some studies estimated exposure risks primarily using outdoor environmental SARS-CoV-2 RNA quantification data. They noted that their QMRA estimates are subject to uncertainty that can be reduced with additional data to improve the accuracy and precision of information that is entered into the models. Concentrations of infectious SARS-CoV-2 on outdoor surfaces could be expected to be lower than indoor surfaces because of air dilution and movement, as well as harsher environmental conditions, such as sunlight. One QMRA study also evaluated the effectiveness of prevention measures that reduce the risk of fomite transmission and found that hand hygiene could substantially reduce the risk of SARS-CoV-2 transmission from contaminated surfaces, while surface disinfection once- or twice-per-day had little impact on reducing estimated risks 9.
Numerous researchers have studied how long SARS-CoV-2 can survive on a variety of porous and non-porous surfaces 10, 11, 12, 13, 14, 15. On porous surfaces, studies report inability to detect viable virus within minutes to hours; on non-porous surfaces, viable virus can be detected for days to weeks. The apparent, relatively faster inactivation of SARS-CoV-2 on porous compared with non-porous surfaces might be attributable to capillary action within pores and faster aerosol droplet evaporation 16.
Data from surface survival studies indicate that a 99% reduction in infectious SARS-CoV-2 and other coronaviruses can be expected under typical indoor environmental conditions within 3 days (72 hours) on common non-porous surfaces like stainless steel, plastic, and glass 10, 11, 12, 13, 15. However, experimental conditions on both porous and non-porous surfaces do not necessarily reflect real-world conditions, such as initial virus amount (e.g., viral load in respiratory droplets) and factors that can remove or degrade the virus, such as ventilation and changing environmental conditions 8, 9. They also do not account for inefficiencies in transfer of the virus between surfaces to hands and from hands to mouth, nose, and eyes 8, 9. In fact, laboratory studies try to optimize the recovery of viruses from surfaces (e.g., purposefully swabbing the surface multiple times or soaking the contaminated surface in viral transport medium before swabbing). When accounting for both surface survival data and real-world transmission factors, the risk of fomite transmission after a person with COVID-19 has been in an indoor space is minor after 3 days (72 hours), regardless of when it was last cleaned 8, 9, 10, 11, 12, 13, 15.
When a person with suspected or confirmed COVID-19 has been indoors, virus can remain suspended in the air for minutes to hours. The length of time virus remains suspended and is infectious depends on numerous factors, including viral load in respiratory droplets or in small particles, disturbance of air and surfaces, ventilation, temperature, and humidity 27, 28, 29, 30, 31. Wearing masks consistently and correctly can substantially reduce the amount of virus indoors, including the amount of virus that lands on surfaces 32. 2b1af7f3a8