In 1907， Anna Jarvis began a movement to convince lawmakers to set a special day to honor America’s mothers. Many states......

【Abstract】The sharing economy becomes a new way of people’s daily life， brings up new ecology of industry and construc......

【Abstract】This paper introduces a new and fashionable network class platform in China in this year. Many teachers in t......

Lights， mirrors， action！ Scientists are developing smart contact lenses embedded with miniscule mirrors that can magnify yo......