Search results
Results from the WOW.Com Content Network
A. N. Frumkin used surface charge to change the shape of water drops in 1936. [2] The term electrowetting was first introduced in 1981 by G. Beni and S. Hackwood to describe an effect proposed for designing a new type of display device for which they received a patent. [3]
Optoelectrowetting (OEW) is a method of liquid droplet manipulation used in microfluidics applications. This technique builds on the principle of electrowetting, which has proven useful in liquid actuation due to fast switching response times and low power consumption.
Replacing the conductor with a semiconductor results in asymmetrical electrowetting behavior (in terms of voltage polarity), depending on the semiconductor doping type and density. Incident light above the semiconductor's band gap creates photo-induced carriers via electron-hole pair generation in the depletion region of the underlying ...
Kids enjoy being in the water, but they may not understand the dangers of swimming without parental permission or supervision. Almost 70% of childhood drownings happen during non-swim times when a ...
Zoombezi Bay (/ z uː m ˌ b iː z i ˈ b eɪ /) is a 22.7-acre (9.2 ha) water park owned by the Columbus Zoo and Aquarium near Powell, Ohio just north of Columbus.The park sits on the site of the former Wyandot Lake Adventure Park, [1] which was purchased by the Columbus Zoo and Aquarium in 2006.
In addition, microfluidics-based devices, capable of continuous sampling and real-time testing of air/water samples for biochemical toxins and other dangerous pathogens, [73] can serve as an always-on "bio-smoke alarm" for early warning. Microfluidic technology has provide tools for biologists to control the cellular environment.
As wildfires burned across Los Angeles County, burning more than 12,000 structures, many of them homes, two mothers launched a grassroots project to reunite displaced children with their beloved ...
The water drops maintain their spherical shape due to the superhydrophobicity of the petal (contact angle of about 152.4°), but do not roll off because the petal surface has a high adhesive force with water. [41] When comparing the "petal effect" to the "lotus effect", it is important to note some striking differences. The surface structure of ...