What is your weight on Mars? Or other planets???

  There is a curious anomaly around today. When we discuss our weight we invariably refer to the number of kilograms we ‘weigh’. But this is a measurement of mass, not weight! So, if someone claim a weight of 100 kg, they are really referring to their mass. This is where it gets interesting. To… Continue reading What is your weight on Mars? Or other planets???

Refresher Courses

I can now offer the following ‘refresher courses’: Laser tattoo removal: Choosing the correct settings Which laser is best? How does it actually work? Ink colours Pain management Managing patient expectations Minimising risk   Laser/IPL removal of hair, vessel, pigmentation + skin rejuvenation Choosing the correct settings… Understanding the light-tissue interactions The critical importance of… Continue reading Refresher Courses

Are picosecond lasers worth the cost?

That’s a good question! A picosecond laser costs around £100,000 in the UK, at the moment. A ‘standard’ Q-switched laser costs anywhere between £10,000 and £60,000. QS lasers can output up to 2 Joules of energy in pulsewidths as short as 5 nanoseconds, while some commercially available pico lasers can output up to 1 Joule… Continue reading Are picosecond lasers worth the cost?