But according to some experts, one supposed 'hack' may not be worth it. The hack in question is the tin foil hack. This hack suggests that putting tin foil behind your radiator will reflect some of ...

If you’ve ever worked on old gear, you probably know that electrolytic capacitors are prone to failure. [Dexter] undertook a repair of some four-decade-old capacitors in a power supply.

For comparison, most high-value conventional capacitors are electrolytic and use two different plates: a plate of metallic foil and a semi-liquid electrolyte. You can even make one of these at ...