6 sentences with 'invisible'

Example sentences and phrases with the word invisible and other words derived from it.

• « But it wasn't true. I felt I had crossed an invisible line into a new stage of my life. »
• « X-rays are invisible electromagnetic energy that is produced when high-speed electrons strike a heavy metal. »
• « The carbon monoxide, an invisible, odourless gas, had leaked into the truck bed. »
• « -Actually, the Mason-Dixon line is a kind of invisible border between North and South. When you cross that invisible line out of Washington, D.C., and into Maryland, things change. »
• « Moreover, although the mathematics of Hawking's theories are considered elegant, his conclusions, of course, remain largely hypothetical. Black holes, for example, are invisible. »
• « Sounds possess energies that act on an invisible plane, according to recent studies (1989) carried out at the University of Paris and Arizona (USA). »
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