The mod is incredibly simple. Other than removing the MacBook Air’s bottom cover and applying the thermal pads, there’s no need to mess with any other components. So you don’t need to worry about breaking anything.

And the performance gains are surprisingly significant. In Cinebench tests carried out by High on Tech, the modded MacBook Air achieved a score of 7,718. That’s only slightly less than the 7,764 score of the M1 MacBook Pro, and a lot more than the 6,412 achieved by an M1 MacBook Air without this mod.

And now for proof that some laptops run hotter than a badger. A 50-year old scientist, previously healthy, burned his penis after placing his laptop on his, err lap, for an hour. Oh, he was fully dressed in trousers and underpants, according to this letter printed in the Lancet, the UK's best-known medical journal. (reg req'd, free.)

The following is not for the squeamish:

The next day he noticed irritation and oedema of his penile prepuce. Furthermore, the ventral part of his scrotal skin had turned red, and there was a blister with a diameter of about 2 cm. These findings were verified when I saw the patient 1 day later. There were no signs of phimosis or balanitis. The patient recalled that, while sitting 2 days earlier with his computer on his lap, he occasionally had felt heat and a burning feeling on his lap and proximal thigh, a sensation that was relieved at least temporarily when the computer was moved slightly.

After the first 2 days, the penile and scrotal blisters broke and developed into infected wounds that caused extensive suppuration. More than a week later, the wounds were covered by dry crusts and thereafter were healing quite rapidly. No antibiotic treatment was needed.
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JPK wrote:
My MBA M1 is already plenty fast for my needs.

JPK

Speedy wrote:
[quote=JPK]
My MBA M1 is already plenty fast for my needs.

JPK