Sous vide cooking is a trendy cooking technique (see <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sous-vide" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Sous-vide</a> ) which depends on good temperature control.<p>The French chef and molecular gastronomist Hervé This, for example, developed &quot;6X degree C&quot; eggs, that the, long-term cooking of egg at exactly, say, 65 degrees C.<p>You can order them at, for example, Blue Valentine in Paris, says his review at <a href="http:&#x2F;&#x2F;www.yelp.com&#x2F;biz&#x2F;blue-valentine-paris" rel="nofollow">http:&#x2F;&#x2F;www.yelp.com&#x2F;biz&#x2F;blue-valentine-paris</a> .