What Is The Danger Of Class 3b Laser Radiation?

nearly 2 weeks ago i went my friends’..Their computer’s cd writer driver’s front cover (which has button to open) FELL DOWN TO THE FLOOR and beams escaped….I couldn’t realize..If i realize i wouldn’t allow it.And cd’s laser worked..Nearly 5 minutes i stayed (i have cds read) in there..There is no damage on my eyes but […]

Radiation Question, Can You Help?

Hi, I’ve had 2 chest X-ray in the December/Jan area and then I had a barium swallow (with the X-rays etc) done about 1.5 months ago (The average barium swallow radiation exposure is: 2 mSv or so I’ve read) They now want to send me for a Urea breath test where you swallow Urea with […]