Three Classes News Today

Each of these eight bikes—including city, urban, folding, and models that top out at 28 mph—costs $2,000 or less. Here are the best cheap electric bikes.

High-visibility clothing can make a big difference for truck drivers working in low-light areas, around vehicles or machinery, and in poor visibility conditions

“Goodness is a lot more interesting than it sounds.”

R-Theta stage motion systems are better suited to circular, elliptic and spiral motion patterns than conventional Cartesian 2-axis XY linear translation stages.

In 1971, three teachers created a legendary computer game of westward expansion (and dysentery). 65 million copies have been sold—and its authors never saw a dime.

In 1971, a trio of Minneapolis educators, using a hulking teletype machine connected to a mainframe miles away, designed the legendary game of westward expansion (and dysentery) that would help revolutionize personal computing. Despite more than 65 million copies sold, they never saw a dime. Do you want to eat (1) poorly (2) moderately or […]

1971er Abschlussjahrgang der Johann-Sebastian-Bach-Schule Köthen hat sich wiedergetroffen Von Stefanie Greiner Zum 50-jährigen Schulabschluss-Jubiläum haben sich einige Schüler wiedergetroffen. (Foto: Henner Fritzsche) Köthen/MZ - An diesen Spruch ihres Schülers kann sich Renate Spott noch ziemlich genau erinnern. „Haben Sie es noch“, wollte Peter Engelmann wissen, damals in der dritten oder vierten Klasse. Die Lehrerin stutzte, woraufhin der Schüler erklärte:...

‘Everything on this planet is connected’: Q&A with WWF’s Marco Lambertini As the world works to emerge from the devastation and hardship brought by the pandemic, there has been much talk about the recovery being an opportunity to drive transformative change toward a more sustainable, equitable society that recognizes that human well-being is underpinned by a healthy planet. Much of the focus on this concept has been on cutting carbon emissions from transportation and energy production. Th...