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Ultra-high vacuum (often spelled ultrahigh in American English, UHV) is the vacuum regime characterised by pressures lower than about 1 × 10 −6 pascals (1.0 × 10 −8 mbar; 7.5 × 10 −9 Torr). UHV conditions are created by pumping the gas out of a UHV chamber.
Even if riding on the sidewalk isn’t prohibited, the right choice might be to ride in the street, or if you’re not comfortable with that, walk your bike. Ultimately, if our transportation ...
A shared-use path, mixed-use path or multi-use pathway [1] is a path which is "designed to accommodate the movement of pedestrians and cyclists". [2] Examples of shared-use paths include sidewalks designated as shared-use, bridleways and rail trails. A shared-use path typically has a surface that is asphalt, concrete or firmly packed crushed ...
UHV may refer to: Ultra-high vacuum, the vacuum regime characterised by pressures lower than about 10 −7 pascal; Ultra-high voltage, a classification of overhead power line with an operating voltage of higher than 800 kV; University of Houston–Victoria, a university in Victoria, Texas, US
1. A full-body HIIT workout, no equipment required If "high-intensity interval training"—a.k.a HIIT—intimidates you, this 25-minute full-body HIIT workout will help you feel a lot more confident.
A curb extension marked by darkened tarmac and black posts. A curb extension (or also neckdown, kerb extension, bulb-out, bump-out, kerb build-out, nib, elephant ear, curb bulge, curb bulb, or blister) is a traffic calming measure which widens the sidewalk for a short distance.
A curb cut. The curb cut effect is the phenomenon of disability-friendly features being used and appreciated by a larger group than the people they were designed for. The phenomenon is named for curb cuts – miniature ramps comprising parts of sidewalk – which were first made for wheelchair access in particular places, but were also welcomed by people pushing strollers, carts or luggage.
Guerilla crosswalks have been noted in news articles since at least 2009 and have become more well known as an urban strategy in recent years. [2] The first known example of guerilla crosswalks can be found in Canada in 1987 when social activists John Valeriote and Erik Veldman created a crosswalk in Guelph, Ontario for students to safely cross ...