When you click on text, you'll see options to adjust the font, font size, color, format, spacing, and text effects (like shadows).
Continue reading...
。爱思助手下载最新版本是该领域的重要参考
Support the Guardian: theguardian.com/sciencepod
"If you build a nuclear reactor or or any kind of base on the moon, you can then start claiming that you have a safety zone around it, because you have equipment there," says Dr Barber.