搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 30 天
时间不限
过去 1 小时
过去 24 小时
过去 7 天
按相关度排序
按时间排序
The Express Tribune
2 天
Smartphones relegate time-telling devices to history
With the passage of time, the use of watches declined. In Pakistan, watches are now mostly seen in wedding ceremonies. While ...
Phys.org on MSN
9 天
Tiny dancers: Scientists synchronize bacterial motion
First described by Christiaan Huygens in the 17th century, synchronization was famously illustrated by the aligned swinging ...
SFGate
7 天
Horologist embraces timeless art while preserving S.F.’s iconic clock towers
To Clair, clocks are more than just faces with numbers ... The oldest timepiece in the shop is a 1700s pendulum clock with ...
Greek Reporter
6 天
How the Ancient Greeks Measured Time Shows What they Valued
The ancient Greeks measured time because human beings have felt the need to track the passage of their hours and days since time immemorial, ...
Popular Mechanics
29 天
Scientists Are Building the World’s Most Accurate Clock. It Could Be a Turning Point for ...
Then it’s a matter of calibrating how many cycles correspond to a second (two pendulum swings for a Grandfather clock, say), a power source to drive the clock’s movement, and some housing to ...
techexplorist
9 天
Bacteria can synchronize their movements
By confining individual bacteria in micro-engineered circular cavities and connecting these cavities via narrow channels, the ...
acm.org
8 天
Technical Marvels, Part 9: Program-Controlled Musical Picture Clocks
Picture clocks were very popular in France, Germany, Austria, and Switzerland in. Today, they are traded as sought-after ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈