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A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
Wet-wipe markers or wet-erase markers are a type of writing implement, which are used primarily on overhead transparencies, tablets at restaurants, and office calendars. Other uses include writing on mirrors, chalkboards, plastics, ceramics, glass windows and other non-porous surfaces.
The water thread experiment is a phenomenon that occurs when two containers of deionized water, placed on an insulator, are connected by a thread, then a high-voltage positive electric charge is applied to one container, and a negative charge to the other. At a critical voltage, an unsupported water liquid bridge is formed between the ...
Mac OSX and PC Interpol: The Trail of Dr. Chaos: io: iPoker: I.Q. Identity Quest: iQuiz Maker: Iron Helix: Iron Wars: Tap Mobile 2011 Action Commercial 10.6.6 or higher Irukandji: Charlie's Games 2009 Top-down shooter Commercial 10.4 or higher Ishar: Legend of the Fortress: Silmarils 1992 RPG Commercial 5–7.0 Ishar 2: Messengers of Doom ...
Deep water culture (DWC) is a hydroponic method of plant production by means of suspending the plant roots in a solution of nutrient-rich, oxygenated water. Also known as deep flow technique (DFT), floating raft technology (FRT), or raceway, this method uses a rectangular tank less than one foot deep filled with a nutrient-rich solution with ...
A floating building is a building unit with a flotation system at its base, to allow it to float on water. It is common to define such a building as being "permanently moored" and not usable in navigation. [1] [2] Floating buildings are usually towed into location by another ship and are unable to move under their own power.
The minerals that do not float into the froth are referred to as the flotation tailings or flotation tails. These tailings may also be subjected to further stages of flotation to recover the valuable particles that did not float the first time. This is known as scavenging. The final tailings after scavenging are normally pumped for disposal as ...
Because of vast amounts of water added to or removed from the oceans and atmosphere, the behavior of polar ice packs has a significant impact on global changes in climate. Seasonal ice drift in the Sea of Okhotsk by the northern coast of HokkaidÅ , Japan , has become a tourist attraction, [ 6 ] and is one of the 100 Soundscapes of Japan .