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The standard type of anti-glare filter consists of a coating that reduces the reflection from a glass or plastic surface. [2] These are manufactured from polycarbonate or acrylic plastic . [ 1 ] An older variety of anti-glare filter used a mesh filter that had the appearance of a nylon screen.
The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens. [1] In 1990s, the CRT screen protectors were used on CRT monitors for anti-glare and anti-radiation purposes. [citation needed] Later, they were adapted for use on LCD monitors.
Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...
Ghana has been a member state of the Non-Aligned Movement since the time of the 1st Summit of the Non-Aligned Movement in 1961 in Belgrade. As the first decolonized country in Sub-Saharan Africa , Ghana actively participated in earliest efforts to initiate Pan-African and Non-Aligned cooperation.
A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically layered on the top of the electronic visual display of a device.
A Ghanaian passport. Visa requirements for Ghanaian citizens are administrative entry restrictions by the authorities of other states placed on citizens of Ghana.As of 15 December 2024, Ghanaian citizens had visa-free or visa on arrival access to 68 countries and territories, ranking the Ghanaian passport 74th in terms of travel freedom (tied with passports from Cape Verde, Benin, and Armenia ...
The climate of Ghana is tropical. [1] The eastern coastal belt is warm and comparatively dry, the south-west corner of Ghana is hot and humid, and the north of Ghana is hot and dry. [2] Ghana is located on the Gulf of Guinea, only a few degrees north of the Equator, giving it a warm climate. [3]
The 1957 Constitution of Ghana provided that nationality would be defined in law, and subsequently the Ghana Nationality and Citizenship Act was promulgated on 11 May 1957. [82] Under its terms persons who had been BPPs or CUKCs and were born in Ghana and whose father or paternal grandfather was born in the territory were conferred nationality ...