Use proper ventilation to avoid harmful fumes Protect your eyes with safety glasses Practice fire safety and keep workspace ...

When an ordinary beam of neutrons strikes the team’s silicon grating, the millions of scored lines on the grating convert the ...

President Petr Pavel will officially launch a powerful laser beam from Prague’s Žižkov Tower, sending a signal of peace into the night sky. The laser will be activated shortly after 10 p.m. and will ...