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On the same date, the 13-inch M2 MacBook Air received a price cut from $1199 to $1099. [22] On March 4, 2024, Apple announced a refreshed M3 MacBook Air in both 13-inch and 15-inch sizes. This model retains the same design as the M2 MacBook Air, but adds support for two external displays when the lid is closed.
Steve Jobs introduced the MacBook Air during Apple’s keynote address at the 2008 Macworld conference on January 15, 2008. [4] The first MacBook Air was a 13.3-inch model, initially promoted as the world's thinnest notebook at 1.9 cm (0.75 in) (a previous record holder, 2005's Toshiba Portege R200, was 1.98 cm (0.78 in) high).
The specific energy of the silicon-air battery is estimated to be 8470 Wh/kg and the energy density is about 2109.0 Wh/L. The battery voltage is 1 – 1.2 V. [6] By the use of a dedicated electrolyte flow system, discharge times of more than 1000 hours can be achieved for aqueous electrolytes, which allows for 100% usage of the silicon anode. [11]
[16] [17] In the early 2010s, sodium-ion batteries experienced a resurgence, driven largely by the increasing cost of lithium-ion battery raw materials. [16] Also, the number of patent families reached the number of non-patent publication after ca. 2020, which usually signify the fact that the technology reached the commercialization stage.
Black polycarbonate MacBook (early 2006) White polycarbonate MacBook (early 2006) The original MacBook, available in black or white colors, was released on May 16, 2006, and used the 32-bit Intel Core Duo processor and 945GM chipset, with Intel's GMA 950 integrated graphics on a 667 MHz front side bus.
Brazil: HK33 and HK33A1 adopted by Brazilian Air Force in 1971, to replace the M1 Carbine. [23] HK33E variant. [24] HK33A2 and HK53A5 issued to 1º Batalhão de Forças Especiais [23] Chile: HK33 variant. [24] Being replaced by FN SCAR-L/H [25] in the Chilean Marine Corps. East Timor: HK33 [26] Ecuador: HK33 variant. [24] El Salvador: HK33 ...