Number fingerspelling, 15th century
手話
Treatise on perspective, 15th century
Summa de arithmetica (1494)
Summa de arithmetica, title page from 1523 edition
Hand making shaka sign
Hand making OK sign
Hand with middle finger raised, X-ray
Peruvian quipu, 18th century
Anderson's rocket treatise, 17th century
Comets, 15th century
Harriot's 1631 book on algebra
Leibniz's catenary and logarithmic curves
Biblical astronomer Jonicus, 15th-century manuscript
Mansur's Anatomy, 15th century
Medieval constellations, 13th century
Astronomical table, 14th century
Leonardo da Vinci's helicopter design, 15th century
Map of climactic zones, 13th century
Young woman in conversation
A midnight conversation during the 19th Century.
three lab workers
Couple laughing together
Business people and euro
Chess problem, 14th century
Elephant clock invention, 14th century
Peacock water clock invention, 14th century
手話をする女性
Margaret Mead, US anthropologist
President Obama making Thanksgiving Day calls to troops
Blah blah written on a speechbubble
concept image of a raised hand in a sea of speech bubbles depicting being heard
concept image of a world globe as a speech bubble depicting opinion
Historic telephone switchboard.
Chien-Shiung Wu and Wallace Brode, 1958
Technicians talking, other tech in clean room
High Intensity Focused Ultrasound
Businessmen working in office
ビジネスマン
会話する若い女性
立ち話をする女性
リビングで談笑する男性
浴衣姿の女性
カフェで寛ぐ若者たち
Businessman and businesswoman
団地内の公園で世間話をする三人の女性
寄り添って座る家族
談笑する若者達
テーブルに向かい合って座るシニア夫婦
カフェでコーヒーを飲む女性達
Friends meeting in town square
Young woman on bicycle talking to young woman wearing panama hat
草原でピクニックをする3人の女性の後姿
Smiling female students wearing school uniforms walking through school corridor
Catching up with one another
Smiling female office worker
Two colleagues talking
ビジネス
窓際で談笑する2人のOL
Petroglyph on a basalt boulder, New Mexico, USA
Wallis's Operum Mathematicorum, 1657
Operum Mathematicorum, 1656
Portrait of businessman
部屋で通話する女性1人
リラックスシーン
Men contemplating
芝生に座る男女5人
会話する中年男性
女子高生
笑顔で会話をしている家族
Businessmen talking
Female employees
Couple dressed to leave
Businesspeople whispering
Businesspeople in office
Businessmen meeting
Businesswomen talking
Businesspeople outside office
Two work colleagues having a break
Gossip at work
Business meeting
団地内の広場で世間話をする三人の女性
おしゃべりする3人の女の子達
カフェで話し合う女子大生達
Men in meeting
Doctors having discussion
Young woman smiling at a man
座って3人で会話をする女子学生
座って3人で談笑する女子学生
ビジネスシーン
Businesspeople talking
Businessman and businesswoman with laptop having discussion
Group of young friends sitting on back of car
若者
女性
Cloisters playing cards, 15th century
Otis King calculator, 20th century
Waterwheel invention, 14th century
Early 20th Century maths class
Knave of Nooses from Cloisters playing cards, 15th century
Mythical monstrous races of humans, 13th century
Sumer Is Icumen In, 13th-century song manuscript
Zodiacal man, 15th century
4人の男女
Dictaphone
悩む女性
Client and employee of Banco Desarrollo in Quatros Esquinas, Ecuador
Two women sharing the latest gossip
インカム
孫娘と話す祖父
Two women at an outdoor restaurant
Teen group sitting on grass, talking
Son is smiling up to his dad
テーブルで談笑する三人の女性
Colleagues Discussing Business Matters
Confident Businesswoman
スーツ姿の女性
部屋でくつろぐ女性3人
見つめ合う女性2人
座って話す女性3人と立ち話する男性2人
笑顔の中高年女性2人
2人の女性
談笑をしている3人の女性
会話している女性2人
芝生に座って話をしているカップル
笑顔の女性三人
ソファーに座って会話する中高年男性3人
話しをするビジネスカップル
バスに乗って話をしている女性2人
会話する女性
校舎前で話をする留学生の男女2人
Couple working together
Couple hugging
Two ceo's having a conversation
ミーティングをする男女4人
会話をする二人の男性
男の子に話をする保育士
協調
Men on a sofa